JEE Main 20253 Apr, Morning shift

Physics 18Chemistry 19

Physics

Q26Match the LIST-I with LIST-II. LIST-I: (A) ¹₀n + ²³⁵₉₂U → ¹⁴⁰₅₄Xe + ⁹⁴₃₈Sr + 2 ¹₀n; (B) 2H₂ + O₂ → 2H₂O; (C) ²₁H + ²₁H → ³₂He + ¹₀n; (D) ¹₁H + ³₁H → ²₁H + ²₁H…Atoms and Nuclei
Q27The work function of a metal is 3 eV. The color of the visible light that is required to cause emission of photoelectrons isDual Nature of Matter and Radiation
Q28A force of 49 N acts tangentially at the highest point of a sphere (solid) of mass 20 kg, kept on a rough horizontal plane. If the sphere rolls without…Rotational Motion
Q29The radiation pressure exerted by a 450 W light source on a perfectly reflecting surface placed at 2m away from it, isElectromagnetic Waves
Q30A person measures mass of 3 different particles as 435.42 g, 226.3 g and 0.125 g. According to the rules for arithmetic operations with significant figures…Units and Measurements
Q33During the melting of a slab of ice at 273 K at atmospheric pressure:Thermodynamics
Q36Consider a completely full cylindrical water tank of height 1.6 m and of cross-sectional area 0.5 m ². It has a small hole in its side at a height 90 cm from…Properties of Solids and Liquids
Q37Two blocks of masses m and M, (M > m), are placed on a frictionless table as shown in figure. A massless spring with spring constant k is attached with the…Oscillations and Waves
Q38The electrostatic potential on the surface of uniformly charged spherical shell of radius R = 10 cm is 120 V. The potential at the centre of shell, at a…Electrostatics
Q39A particle is released from height S above the surface of the earth. At certain height its kinetic energy is three times its potential energy. The height from…Work, Energy and Power
Q40Match the LIST-I with LIST-II. LIST-I: (A) Gravitational constant; (B) Gravitational potential energy; (C) Gravitational potential; (D) Acceleration due to…Units and Measurements
Q41Consider following statements for refraction of light through prism, when angle of deviation is minimum. A. The refracted ray inside prism becomes parallel to…Optics
Q42The radii of curvature for a thin convex lens are 10 cm and 15 cm respectively. The focal length of the lens is 12 cm. The refractive index of the lens…Optics
Q43A gas is kept in a container having walls which are thermally non-conducting. Initially the gas has a volume of 800 cm ³ and temperature 27°C. The change in…Thermodynamics
Q47A 4.0 cm long straight wire carrying a current of 8A is placed perpendicular to a uniform magnetic field of strength 0.15 T. The magnetic force on the wire is…Magnetic Effects of Current and Magnetism
Q48Three identical spheres of mass m, are placed at the vertices of an equilateral triangle of length a. When released, they interact only through gravitational…Gravitation
Q49In the figure shown below, a resistance of 150.4 Ω is connected in series to an ammeter A of resistance 240 Ω. A shunt resistance of 10 Ω is connected in…Current Electricity
Q50Two coherent monochromatic light beams of intensities 4I and 9I are superimposed. The difference between the maximum and minimum intensities in the resulting…Optics