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Day 95: JEE Mains Physics

5 questions. Try each one first, then open its answer.

  1. Question 1

    System of Particles and Rotational Motion. Asked 2 times: 12 Apr 2023, 5 Apr 2024 See all 2 times it was asked

    115
    A hollow sphere is rolling on a plane surface about its axis of symmetry. The ratio of rotational kinetic energy to its total kinetic energy is x5\frac{x}{5}. The value of xx is _______ .

  2. Question 2

    Thermodynamics. Asked 2 times: 27 Jan 2024, 5 Apr 2024 See all 2 times it was asked

    105
    During an adiabatic process, if the pressure of a gas is found to be proportional to the cube of its absolute temperature, then the ratio of CPCV\frac{C_{P}}{C_{V}} for the gas is :

    Tap an option to check your answer.

  3. Question 3

    Moving Charges and Magnetism. Asked 2 times: 11 Apr 2023, 4 Apr 2024 See all 2 times it was asked

    1
    An electron is projected with uniform velocity along the axis inside a current carrying long solenoid. Then:

    Tap an option to check your answer.

  4. Question 4

    Ray Optics. Asked 2 times: 25 Jan 2023*, 4 Apr 2024 (* = numbers or wording changed that year) See all 2 times it was asked

    116
    A light ray is incident on a glass slab of thickness 43 cm4\sqrt{3}\text{ }cm and refractive index 2\sqrt{2}. The angle of incidence is equal to the critical angle for the glass slab with air. The lateral displacement of ray after passing through glass slab is ______ cmcm. (Given sin⁡15∘=0.25\sin15^{\circ}= 0.25 )

  5. Question 5

    System of Particles and Rotational Motion. Asked 2 times: 27 Jun 2022*, 4 Apr 2024 (* = numbers or wording changed that year) See all 2 times it was asked

    114
    In a system two particles of masses m1=3 kgm_{1}= 3\text{ }kg and m2=2 kgm_{2}= 2\text{ }kg are placed at certain distance from each other. The particle of mass m1m_{1} is moved towards the center of mass of the system through a distance 2 cm2\text{ }cm. In order to keep the center of mass of the system at the original position, the particle of mass m2m_{2} should move towards the center of mass by the distance ____ cmcm.