Second stage of the Science Olympiad programme: the Indian National Physics Olympiad (INPhO), a written examination. INPhO paper: written, 3 hours. Its syllabus is broadly equivalent to that of NSEP, at the level of senior secondary (up to and including Class 12) of CBSE; questions are usually non-conventional and of high difficulty.
Physics19 topic groups
I. Units and Measurements
Units of measurement; systems of units; SI units, fundamental and derived units. Length, mass and time measurements; accuracy and precision of measuring instruments; errors in measurement; significant figures; Dimensions of physical quantities, dimensional analysis and its applications
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit I
II. Motion in a Straight Line
Frame of reference, Motion in a straight line: Position-time graph, speed and velocity; Elementary concepts of differentiation and integration for describing motion, uniform and non- uniform motion, average speed and instantaneous velocity, uniformly accelerated motion, velocity - time and position-time graphs; Relations for uniformly accelerated motion (graphical treatment)
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit II
III. Motion in a Plane
Scalar and vector quantities; position and displacement vectors, general vectors and their notations; equality of vectors, multiplication of vectors by a real number; addition and subtraction of vectors, relative velocity, Unit vector; resolution of a vector in a plane, rectangular components, Scalar and Vector product of vectors; Motion in a plane, cases of uniform velocity and uniform acceleration-projectile motion, uniform circular motion
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit III
IV. Laws of Motion
Intuitive concept of force, Inertia, Newton's first law of motion; momentum and Newton's second law of motion; impulse; Newton's third law of motion; Law of conservation of linear momentum and its applications; Equilibrium of concurrent forces, Static and kinetic friction, laws of friction, lubrication; Dynamics of uniform circular motion: Centripetal force, examples of circular motion (vehicle on a level circular road, vehicle on a banked road)
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit IV
V. Work, Energy and Power
Work done by a constant force and a variable force; kinetic energy, work-energy theorem, power; Notion of potential energy, potential energy of a spring, conservative forces: conservation of mechanical energy (kinetic and potential energies); non-conservative forces: motion in a vertical circle; elastic and inelastic collisions in one and two dimensions
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit V
VI. System of Particles and Rotational Motion
Centre of mass of a two-particle system, momentum conservation and centre of mass motion; Centre of mass of a rigid body; centre of mass of a uniform rod; Moment of a force, torque, angular momentum, law of conservation of angular momentum and its applications; Equilibrium of rigid bodies, rigid body rotation and equations of rotational motion, comparison of linear and rotational motions; Moment of inertia, radius of gyration, values of moments of inertia for simple geometrical objects (no derivation). Statement of parallel and perpendicular axes theorems and their applications
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit VI
VII. Gravitation
Kepler's laws of planetary motion, universal law of gravitation. Acceleration due to gravity and its variation with altitude and depth; Gravitational potential energy and gravitational potential, escape velocity, orbital velocity of a satellite, Geo-stationary satellites
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit VII
VIII. Mechanical Properties of Solids
Elastic behaviour, Stress-strain relationship, Hooke's law, Young's modulus, bulk modulus, shear modulus of rigidity, Poisson's ratio; elastic energy
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit VIII
IX. Mechanical Properties of Fluids
Pressure due to a fluid column; Pascal's law and its applications (hydraulic lift and hydraulic brakes), effect of gravity on fluid pressure; Viscosity, Stokes' law, terminal velocity, streamline and turbulent flow, critical velocity, Bernoulli's theorem and its applications; Surface energy and surface tension, angle of contact, excess of pressure across a curved surface, application of surface tension ideas to drops, bubbles and capillary rise
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit IX
X. Thermal Properties of Matter
Heat, temperature, thermal expansion; thermal expansion of solids, liquids and gases, anomalous expansion of water; specific heat capacity; Cp, Cv - calorimetry; change of state - latent heat capacity; Heat transfer-conduction, convection and radiation, thermal conductivity, qualitative ideas of Blackbody radiation, Wien's displacement Law, Stefan's law, Greenhouse effect
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit X
XI. Thermodynamics
Thermal equilibrium and definition of temperature (zeroth law of thermodynamics), heat, work and internal energy. Thermodynamic state variables and equation of state, First law of thermodynamics, isothermal and adiabatic processes; Second law of thermodynamics: reversible and irreversible processes, Heat engine and refrigerator
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit XI
XII. Behaviour of Perfect Gases and Kinetic Theory of Gases
Equation of state of a perfect gas, work done in compressing a gas; Kinetic theory of gases - assumptions, concept of pressure. Kinetic interpretation of temperature; rms speed of gas molecules; degrees of freedom, law of equi-partition of energy (statement only) and application to specific heat capacities of gases; concept of mean free path, Avogadro's number
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit XII
XIII. Oscillations and Waves
Oscillations: Periodic motion - time period, frequency, displacement as a function of time, periodic functions; Simple harmonic motion (S.H.M) and its equation; phase; oscillations of a loaded spring-restoring force and force constant; energy in S.H.M. Kinetic and potential energies; simple pendulum derivation of expression for its time period. Free, forced and damped oscillations (qualitative ideas only), Resonance; Waves: Wave motion: Transverse and longitudinal waves, speed of travelling wave, displacement relation for a progressive wave, principle of superposition of waves, reflection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, Beats, Doppler effect
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit XIII
XIV. Electrostatics
Electric Charges and Fields: Electric Charges; Conservation of charge, Coulomb's law-force between two point charges, forces between multiple charges; superposition principle and continuous charge distribution; Electric field, electric field due to a point charge, electric field lines, electric dipole, electric field due to a dipole, torque on a dipole in uniform electric field; Electric flux, statement of Gauss's theorem and its applications to find field due to infinitely long straight wire, uniformly charged infinite plane sheet and uniformly charged thin spherical shell (field inside and outside); Electrostatic Potential and Capacitance: Electric potential, potential difference, electric potential due to a point charge, a dipole and system of charges; equipotential surfaces, electrical potential energy of a system of two point charges and of electric dipole in an electrostatic field; Conductors and insulators, free charges and bound charges inside a conductor. Dielectrics and electric polarisation, capacitors and capacitance, combination of capacitors in series and in parallel, capacitance of a parallel plate capacitor with and without dielectric medium between the plates, energy stored in a capacitor; Current Electricity: Electric current, flow of electric charges in a metallic conductor, drift velocity, mobility and their relation with electric current; Ohm's law, electrical resistance, V-I characteristics (linear and non-linear), electrical energy and power, electrical resistivity and conductivity, Carbon resistors, colour code for carbon resistors; series and parallel combinations of resistors; temperature dependence of resistance. Internal resistance of a cell, potential difference and emf of a cell, combination of cells in series and in parallel, Kirchhoff's laws and simple applications, Wheatstone bridge, metre bridge; Potentiometer - principle and its applications to measure potential difference and for comparing EMF of two cells; measurement of internal resistance of a cell
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit XIV
XV. Magnetic Effects of Current and Magnetism
Moving Charges and Magnetism: Concept of magnetic field, Oersted's experiment; Biot - Savart law and its application to current carrying circular loop; Ampere's law and its applications to infinitely long straight wire. Straight and toroidal solenoids (only qualitative treatment), force on a moving charge in uniform magnetic and electric fields, Cyclotron; Force on a current-carrying conductor in a uniform magnetic field, force between two parallel current-carrying conductors-definition of ampere, torque experienced by a current loop in uniform magnetic field; moving coil galvanometer-its current sensitivity and conversion to ammeter and voltmeter; Magnetism and Matter: Current loop as a magnetic dipole and its magnetic dipole moment, magnetic dipole moment of a revolving electron, magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis, torque on a magnetic dipole (bar magnet) in a uniform magnetic field; bar magnet as an equivalent solenoid, magnetic field lines; earth's magnetic field and magnetic elements; Para-, dia- and ferro - magnetic substances, with examples. Electromagnets and factors affecting their strengths, permanent magnets; Electromagnetic Induction: Electromagnetic induction; Faraday's laws, induced EMF and current; Lenz's Law, Eddy currents. Self and mutual induction; Alternating Current: Alternating currents, peak and RMS value of alternating current/voltage; reactance and impedance; LC oscillations (qualitative treatment only), LCR series circuit, resonance; power in AC circuits, power factor, wattless current. AC generator and transformer; Electromagnetic Waves: Basic idea of displacement current, Electromagnetic waves, their characteristics, their Transverse nature (qualitative ideas only). Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays) including elementary facts about their uses
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit XV
XVI. Optics
Ray Optics and Optical Instruments: Reflection of light, spherical mirrors, mirror formula, refraction of light, total internal reflection and its applications, optical fibers, refraction at spherical surfaces, lenses, thin lens formula, lensmaker's formula, magnification, power of a lens, combination of thin lenses in contact, refraction of light through a prism; Scattering of light - blue colour of sky and reddish appearance of the sun at sunrise and sunset; Optical instruments: Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers; Wave optics: Wavefront and Huygens’ principle, reflection and refraction of plane wave at a plane surface using wave fronts. Proof of laws of reflection and refraction using Huygens’ principle; Interference, Young's double slit experiment and expression for fringe width, coherent sources and sustained interference of light, diffraction due to a single slit, width of central maximum, resolving power of microscope and astronomical telescope, polarisation, plane polarised light, Brewster's law, uses of plane polarised light and Polaroids
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit XVI
XVII. Dual Nature of Radiation and Matter
Dual nature of radiation, Photoelectric effect, Hertz and Lenard's observations; Einstein's photoelectric equation-particle nature of light. Experimental study of the photoelectric effect; Matter waves-wave nature of particles, de-Broglie relation, Davisson-Germer experiment (experimental details should be omitted; only conclusion should be explained)
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit XVII
XVIII. Atoms and Nuclei
Atoms: Alpha-particle scattering experiment; Rutherford's model of atom; Bohr model, energy levels, hydrogen spectrum; Nuclei: Composition and size of nucleus, Radioactivity, alpha, beta and gamma particles/rays and their properties; radioactive decay law, half life and mean life; Mass-energy relation, mass defect; binding energy per nucleon and its variation with mass number; nuclear fission, nuclear fusion
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit XVIII
XIX. Electronic Devices
Semiconductor Electronics: Materials, Devices and Simple Circuits; Energy bands in conductors, semiconductors and insulators (qualitative ideas only); Semiconductor diode - I-V characteristics in forward and reverse bias, diode as a rectifier; Special purpose p-n junction diodes: LED, photodiode, solar cell and Zener diode and their characteristics, zener diode as a voltage regulator
Read from: Syllabus - Olympiads (HBCSE), 'Physics' tab, unit XIX
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Olympiads - Homi Bhabha Centre for Science Education
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Official website · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2026 · checked 5 Oct 2026
Opened https://olympiads.hbcse.tifr.res.in/ on 2026-10-05; it is the Olympiads site of HBCSE (TIFR) and links the Syllabus, Olympiad Books, Information Brochures, Stages and Past papers pages and the 2026-2027 Mathematical and Science Olympiad pages.
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Syllabus - Olympiads (HBCSE)
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Syllabus · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2026 · checked 5 Oct 2026
Opened https://olympiads.hbcse.tifr.res.in/how-to-prepare/syllabus/ on 2026-10-05 and read its text. The page carries the 'Syllabus for National Standard Examination and Indian National Olympiad in Physics, Chemistry, Biology, Astronomy and Junior Science' (tabs Biology, Chemistry, Physics, Astronomy, Junior Science) and a 'Mathematical Olympiad' tab. Every topic list in this file was cut from that page text and compared back with it (lower-case letters and digits only, ignoring spacing): every unit title and every topic phrase occurs in the page text. Not compared: the page as rendered (images); the lists of recommended books on the Mathematical tab are not syllabus and are not copied.
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Science Olympiad Brochure 2026-27 (English)
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Exam scheme / pattern · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2026 · checked 5 Oct 2026
Downloaded the 32-page PDF linked from https://olympiads.hbcse.tifr.res.in/science-olympiad-2026-2027/ on 2026-10-05 and read its text layer. It describes Stage I (National Standard Examination), Stage II (Indian National Olympiads, p. 15), Stage III (Orientation-Cum-Selection Camps, p. 16), Stage IV (training at HBCSE, p. 20) and Stage V (international Olympiads, p. 20). The statements recorded in this file (stage names, what a camp does, the INO duration and the syllabus level) were each checked against those pages. Dates, venues, quotas and fees on those pages are not copied.
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INPhO 2025 - Question paper (Hindi)
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2025 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (Hindi)' for 2025. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2025 - Question paper (English)
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2025 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (English)' for 2025. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2025 - Solutions
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2025 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2025. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2025 - Answer booklet
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2025 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Answer Booklet' for 2025. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2024 - Question paper (Hindi)
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2024 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (Hindi)' for 2024. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2024 - Question paper (English)
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2024 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (English)' for 2024. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2024 - Solutions
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2024 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2024. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2024 - Answer booklet
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2024 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Answer Booklet' for 2024. Reachability checked on 2026-10-06: HTTP 206, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2023 - Question paper (Hindi)
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2023 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (Hindi)' for 2023. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2023 - Question paper (English)
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2023 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (English)' for 2023. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2023 - Solutions
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2023 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2023. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2022 - Question paper (Hindi)
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2022 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (Hindi)' for 2022. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2022 - Question paper (English)
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2022 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (English)' for 2022. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2022 - Solutions
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2022 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2022. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2021 - Question paper (English)
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2021 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (English)' for 2021. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2021 - Question paper (Hindi)
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2021 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (Hindi)' for 2021. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2021 - Solutions
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2021 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2021. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2020 - Question paper (English)
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2020 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (English)' for 2020. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2020 - Question paper (Hindi)
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2020 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (Hindi)' for 2020. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2020 - Solutions
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2020 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2020. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2019 - Question paper (Hindi)
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Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2019 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (Hindi)' for 2019. Reachability checked on 2026-10-06: HTTP 206, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2019 - Question paper (English)
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2019 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'QP (English)' for 2019. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2019 - Solutions
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2019 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2019. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2018 - Question paper
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2018 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper' for 2018. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2018 - Solutions
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2018 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2018. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2017 - Solutions
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2017 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper & Model Solutions' for 2017. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2016 - Solutions
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2016 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper & Model Solutions' for 2016. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2015 - Solutions
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2015 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper & Model Solutions' for 2015. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2014 - Solutions
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2014 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper & Model Solutions' for 2014. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2013 - Question paper
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2013 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper' for 2013. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2013 - Solutions
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2013 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2013. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2012 - Question paper
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2012 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper' for 2012. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2012 - Solutions
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2012 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2012. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2011 - Question paper
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2011 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper' for 2011. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2010 - Question paper
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2010 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper' for 2010. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2010 - Solutions
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2010 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2010. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2009 - Question paper
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2009 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper' for 2009. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2009 - Solutions
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2009 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Model Solutions' for 2009. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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INPhO 2008 - Question paper
Opened; part could not be confirmed
Sample / previous-year papers · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2008 · checked 6 Oct 2026
Listed on HBCSE's Past papers page (https://olympiads.hbcse.tifr.res.in/how-to-prepare/past-papers/), Physics tab, as 'Question Paper' for 2008. Reachability checked on 2026-10-06: HTTP 200, application/pdf. The file's contents were not read: this is a link to the official paper, not a copy, and nothing in it is used as a source of the syllabus.
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Olympiad Books - Olympiads (HBCSE)
Verified against the document
Prescribed / recommended reading (published by the body) · Homi Bhabha Centre for Science Education (HBCSE), Tata Institute of Fundamental Research · 2026 · checked 5 Oct 2026
Opened https://olympiads.hbcse.tifr.res.in/how-to-prepare/olympiad-books/ on 2026-10-05; it lists the books HBCSE sells or recommends for the Science and Mathematical Olympiads (INPhO, INChO, INBO, INAO problem books, experimental problem books, and the Mathematical Olympiad books). It is a book list, not a syllabus, and no chapter cites it.