JEE Main 202524 Jan, Evening shift

Physics 16Chemistry 18

Physics

Q26Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): A electron in a certain region of…Magnetic Effects of Current and Magnetism
Q29A small uncharged conducting sphere is placed in contact with an identical sphere but having 4×10⁻⁸ C charge and then removed to a distance such that the…Electrostatics
Q31The temperature of a body in air falls from 40° C to 24° C in 4 minutes. The temperature of the air is 16° C. The temperature of the body in the next 4…Thermodynamics
Q34Arrange the following in the ascending order of wavelength (λ): (A) Microwaves (λ₁) (B) Ultraviolet rays (λ₂) (C) Infrared rays (λ₃) (D) X-rays (λ₄). Choose…Electromagnetic Waves
Q36The energy E and momentum p of a moving body of mass m are related by some equation. Given that c represents the speed of light, identify the correct equationDual Nature of Matter and Radiation
Q37A solid sphere and a hollow sphere of the same mass and of same radius are rolled on an inclined plane. Let the time taken to reach the bottom by the solid…Rotational Motion
Q38Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): In an insulated container, a gas is…Thermodynamics
Q39In photoelectric effect, the stopping potential (V₀) v/s frequency (ν) curve is plotted. (h is the Planck's constant and φ₀ is work function of metal) (A) V₀…Dual Nature of Matter and Radiation
Q40A solid sphere is rolling without slipping on a horizontal plane. The ratio of the linear kinetic energy of the centre of mass of the sphere and rotational…Rotational Motion
Q41Young's double slit inteference apparatus is immersed in a liquid of refractive index 1.44. It has slit separation of 1.5 mm. The slits are illuminated by a…Optics
Q42A photograph of a landscape is captured by a drone camera at a height of 18 km. The size of the camera film is 2 cm × 2 cm and the area of the landscape…Optics
Q43The position vector of a moving body at any instant of time is given as r = (5t² i - 5t j) m. The magnitude and direction of velocity at t = 2 s is,Kinematics
Q46Acceleration due to gravity on the surface of earth is 'g'. If the diameter of earth is reduced to one third of its original value and mass remains unchanged…Gravitation
Q47The increase in pressure required to decrease the volume of a water sample by 0.2% is P×10⁵ N m ⁻². Bulk modulus of water is 2.15×10⁹ N m ⁻². The value of P…Properties of Solids and Liquids
Q48The ratio of the power of a light source S₁ to that the light source S₂ is 2. S₁ is emitting 2×10¹⁵ photons per second at 600 nm. If the wavelength of the…Dual Nature of Matter and Radiation
Q50A tightly wound long solenoid carries a current of 1.5 A. An electron is executing uniform circular motion inside the solenoid with a time period of 75 ns…Magnetic Effects of Current and Magnetism