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Day 512: JEE Mains Physics

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

  1. Question 1

    Work, Energy and Power. Asked once: 30 Jan 2024

    7
    A particle is placed at the point AA of a frictionless track ABCABC as shown in figure. It is gently pushed toward right. The speed of the particle when it reaches the point BB is: (Take  g=10 m/s2)\left. \ g= 10\text{ }m/s^{2} \right).

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  2. Question 2

    Alternating Current. Asked once: 2021 Paper 15

    19
    For both the given circuits, average power dissipated is same. Find ω\omega of the second circuit.

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  3. Question 3

    Atoms. Asked once: 25 Jan 2023

    93
    The energy levels of an atom is shown in figure. Which one of these transitions will result in the emission of a photon of wavelength 124.1 nm124.1\text{ }nm ? Given (h=6.62×10−34 J s)\left( h = 6.62 \times10^{- 34}\text{ }J\text{ }s \right)

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  4. Question 4

    Current Electricity. Asked once: 21 Jan 2026 S2

    2
    The charge stored by the capacitor C in the given circuit in the steady state is ____\_\_\_\_ μC\mu C.

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  5. Question 5

    Dual Nature of Radiation and Matter. Asked once: 8 Apr 2023

    107
    In photo electric effect (A) The photocurrent is proportional to the intensity of the incident radiation. (B) Maximum Kinetic energy with which photoelectrons are emitted depends on the intensity of incident light. (C) Max. K.E with which photoelectrons are emitted depends on the frequency of incident light. (D) The emission of photoelectrons require a minimum threshold intensity of incident radiation. (E) Max. K.E of the photoelectrons is independent of the frequency of the incident light. Choose the correct answer from the options given below:

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