PYQ Vault

Day 530: JEE Mains Physics

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

  1. Question 1

    Current Electricity. Asked once: 7 Apr 2025

    3
    A wire of resistance RR is bent into a triangular pyramid as shown in figure with each segment having same length. The resistance between points AA and BB is R/nR/n. The value of nn is :

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  2. Question 2

    Dual Nature of Radiation and Matter. Asked once: 29 Jun 2022

    7
    Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: The photoelectric effect does not take place, if the energy of the incident radiation is less than the work function of a metal. Reason R: Kinetic energy of the photoelectrons is zero, if the energy of the incident radiation is equal to the work function of a metal. In the light of the above statements, choose the most appropriate answer from the options given below.

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  3. Question 3

    Electromagnetic Induction. Asked once: 2021 Paper 20

    14
    A bar magnet is passing through a conducting loop of radius RR with velocity vv. The radius of the bar magnet is such that it just passes through the loop. The induced e.m.f. in the loop can be represented by the approximate curve:

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  4. Question 4

    Electrostatics. Asked once: 4 Apr 2025

    18
    Two infinite identical charged sheets and a charged spherical body of charge density ' ρ\rho ' are arranged as shown in figure. Then the correct relation between the electrical fields at A, B, C and D points is :

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  5. Question 5

    Kinetic Theory. Asked once: 29 Jun 2022

    5
    A cylinder of fixed capacity of 44.8 litres contains helium gas at standard temperature and pressure. The amount of heat needed to raise the temperature of gas in the cylinder by 20.0∘C20.0^{\circ}C will be: (Given gas constant =8.3 J K−1mol−1= 8.3\text{ }J\,K^{- 1}mol^{- 1} )

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