PYQ Vault

Day 522: JEE Mains Physics

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

  1. Question 1

    Dual Nature of Radiation and Matter. Asked once: 28 Jul 2022

    17
    The equation λ=1.227xnm\lambda =\frac{1.227}{x}nm can be used to find the de Broglie wavelength of an electron. In this equation xx stands for: Where, m=m = mass of electron P=P = momentum of electron K=K = Kinetic energy of electron V=V = Accelerating potential in volts for electron

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  2. Question 2

    Electromagnetic Induction. Asked once: 26 Jun 2022

    103
    Two coils of self- inductance L1L_{1} and L2L_{2} are connected in series combination having mutual inductance of the coils as M. The equivalent self inductance of the combination will be:

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  3. Question 3

    Electrostatics. Asked once: 7 Apr 2025

    20
    Two charges q1q_{1} and q2q_{2} are separated by a distance of 30 cm . A third charge q3q_{3} initially at ' C ' as shown in the figure, is moved along the circular path of radius 40 cm from CC to DD. If the difference in potential energy due to movement of q3q_{3} from C to DD is given by q3K4πϵ0\frac{q_{3}K}{4\pi\epsilon_{0}}, the value of KK is :

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  4. Question 4

    Gravitation. Asked once: 2021 Paper 10

    17
    A particle of mass mm moves in a circular orbit under the central potential field, U(r)=−CrU(r) =\frac{- C}{r}, where CC is a positive constant. The correct radius - velocity graph of the particle's motion is:

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  5. Question 5

    Kinetic Theory. Asked once: 25 Jul 2022

    8
    Following statements are given: (1) The average kinetic energy of a gas molecule decreases when the temperature is reduced. (2) The average kinetic energy of a gas molecule increases with increase in pressure at constant temperature. (3) The average kinetic energy of a gas molecule decreases with increases in volume. (4) Pressure of a gas increases with increase in temperature at constant volume. (5) The volume of gas decreases with increase in temperature. Choose the correct answer from the options given below:

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