JEE Main 202522 Jan, Evening shift

Physics 18Chemistry 19

Physics

Q26A series LCR circuit is connected to an alternating source of emf E. The current amplitude at resonant frequency is I₀. If the value of resistance R becomes…Electromagnetic Induction and Alternating Currents
Q27A tube of length L is shown in the figure. The radius of cross section at the point (1) is 2 cm and at the point (2) is 1 cm, respectively. If the velocity of…Properties of Solids and Liquids
Q28Which one of the following is the correct dimensional formula for the capacitance in F ? M, L, T and C stand for unit of mass, length, time and charge,Units and Measurements
Q30A small rigid spherical ball of mass M is dropped in a long vertical tube containing glycerine. The velocity of the ball becomes constant after some time. If…Properties of Solids and Liquids
Q31The torque due to the force (2i + j + 2k) about the origin, acting on a particle whose position vector is (i + j + k), would beRotational Motion
Q32A transparent film of refractive index, 2.0 is coated on a glass slab of refractive index, 1.45. What is the minimum thickness of transparent film to be…Optics
Q33An electron projected perpendicular to a uniform magnetic field B moves in a circle. If Bohr's quantization is applicable, then the radius of the electronic…Atoms and Nuclei
Q34A ball of mass 100 g is projected with velocity 20 m/s at 60° with horizontal. The decrease in kinetic energy of the ball during the motion from point of…Kinematics
Q35A force F = 2i + bj + k is applied on a particle and it undergoes a displacement i - 2j - k. What will be the value of b, if work done on the particle is zero.Work, Energy and Power
Q36For a diatomic gas, if γ₁ = (C p /C v) for rigid molecules and γ₂ = (C p /C v) for another diatomic molecules, but also having vibrational modes. Then, which…Kinetic Theory of Gases
Q38Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): A simple pendulum is taken to a…Gravitation
Q41Given are statements for certain thermodynamic variables, (A) Internal energy, volume (V) and mass (M) are extensive variables. (B) Pressure (P), temperature…Thermodynamics
Q42Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): In Young's double slit experiment…Optics
Q44A light source of wavelength λ illuminates a metal surface and electrons are ejected with maximum kinetic energy of 2 eV. If the same surface is illuminated…Dual Nature of Matter and Radiation
Q45The maximum percentage error in the measurment of density of a wire is [Given, mass of wire = (0.60 ± 0.003) g, radius of wire = (0.50 ± 0.01) cm, length of…Units and Measurements
Q46A tube of length 1m is filled completely with an ideal liquid of mass 2M, and closed at both ends. The tube is rotated uniformly in horizontal plane about one…Rotational Motion
Q49A parallel plate capacitor of area A = 16 cm² and separation between the plates 10 cm, is charged by a DC current. Consider a hypothetical plane surface of…Electromagnetic Waves
Q50A proton is moving undeflected in a region of crossed electric and magnetic fields at a constant speed of 2 × 10⁵ m s ⁻¹. When the electric field is switched…Magnetic Effects of Current and Magnetism