JEE Advanced 2025 Paper 2 Physics Questions

Showing 1–10 of 16 questions

MCQdifficultElectrostatic
Two coaxial conducting cylinders of equal length ℓ have radii √2R and 2R. The inner cylinder carries charge Q, the outer cylinder is grounded, and the dielectric between them has κ = 5. An imaginary plane of length ℓ is at distance R from the common axis and parallel to it. Ignoring edge effects, find the electric flux through the plane.
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NumericdifficultWave Motion
An audio transmitter T and receiver R are suspended from identical 8 m strings. They are displaced in opposite horizontal directions by θ₀ = cos⁻¹(0.9) and released together. The transmitter frequency is 660 Hz and sound speed is 330 m s⁻¹. With g = 10 m s⁻², find the maximum variation in received frequency in hertz.
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NumericdifficultGravitation
A geostationary satellite orbits at radius r₁. A second satellite moves in the equatorial plane in the opposite direction at radius r₂, where r₁ = 1.21r₂. The period of the second satellite as measured from the geostationary satellite is 24/p hours. Find p.
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NumericdifficultWave Optics
In Young's double-slit experiment, two glass wedges A and B with refractive indices 1.7 and 1.5 are placed in front of the slits as shown. Slit separation d = 2 mm, screen distance D = 2 m, total wedge thickness t = 12 μm, and l = 1 mm. Neglect refraction at the slanted interface. Find the shift of the central maximum in mm.
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Multi-correctdifficultGeometrical optics
Two identical concave mirrors of focal length f face each other. A glass slab of thickness t and refractive index n₀ is centered between them, and a monochromatic point source S is embedded at the slab center on the common axis. For the image to form on S itself, which mirror separations are correct?
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MCQdifficultUnit dimension and error
A temperature difference can generate e.m.f. in some materials. Let S be the e.m.f. produced per unit temperature difference, σ the electrical conductivity and κ the thermal conductivity. Taking M, L, T, I and K as dimensions of mass, length, time, current and temperature, respectively, find the dimensional formula of Z = S²σ/κ.
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NumericdifficultAtomic Structure and X-rays
A ground-state hydrogen atom at rest absorbs a photon of frequency ν₁ and ejects an electron with kinetic energy 10 eV. The electron combines with a positron at rest to form ground-state positronium, emitting a photon of frequency ν₂. The positronium center of mass has kinetic energy 5 eV. Find h(ν₁ - ν₂) in eV.
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NumericdifficultThermodynamics
An ideal monatomic gas of n moles follows the cycle WXYZW shown in the V-T diagram. Successive processes are adiabatic and isobaric. Volumes at W, X and Y are 64 cm³, 125 cm³ and 250 cm³. Given that nRT at W is 1 J, find the heat absorbed along XY in joules
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MCQdifficultSimple Harmonic Motion
A uniform rod OO′ of length l is hinged at O. Two identical massless springs are attached as in Fig. 1: one at l/2 and one at l. In Fig. 2 both springs are attached at l/2. Ignoring gravity and for small angular oscillations, the frequencies are f₁ and f₂. Find f₁/f₂.
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NumericdifficultMagnetic effect of current
A conducting solid sphere of radius R and mass M carries charge Q and rotates with angular speed ω about a diameter. The ratio of magnetic dipole moment to angular momentum is αQ/(2M). Find α.
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JEE Advanced 2025 Paper 2 physics questions with solutions