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Day 75: JEE Mains Physics

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

  1. Question 1

    Oscillations. This type asked 3 times: 29 Jan 2023, 10 Apr 2023, 6 Apr 2024. This one: 6 Apr 2024 See all 3 of this type

    29
    A particle is doing simple harmonic motion of amplitude 0.06 m0.06\text{ }m and time period 3.14 s3.14\text{ }s. The maximum velocity of the particle is __ cm/scm/s.

  2. Question 2

    Atoms. This type asked 3 times: 14 Jun 2022, 30 Jan 2024, 5 Apr 2024. This one: 5 Apr 2024 See all 3 of this type

    9
    An electron rotates in a circle around a nucleus having positive charge Ze. Correct relation between total energy (E) of electron to its potential energy (U) is:

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  3. Question 3

    Electrostatics. This type asked 3 times: 2021 Paper 1, 2021 Paper 25, 5 Apr 2024. This one: 5 Apr 2024 See all 3 of this type

    30
    Three capacitors of capacitances 25μF,30μF25\mu F,30\mu F and 45μF45\mu F are connected in parallel to a supply of 100 V. Energy stored in the above combination is E. When these capacitors are connected in series to the same supply, the stored energy is 9xE\frac{9}{x}E. The value of xx is..........

  4. Question 4

    Mechanical Properties of Fluids. This type asked 3 times: 29 Jan 2024, 4 Apr 2024, 5 Apr 2024. This one: 5 Apr 2024 See all 3 of this type

    4
    Given below are two statements: Statement-I: When a capillary tube is dipped into a liquid, the liquid neither rises nor falls in the capillary. The contact angle may be 0∘0^{\circ}. Statement-II: The contact angle between a solid and a liquid is a property of the material of the solid and liquid as well: In the light of above statement, choose the correct answer from the options given below.

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  5. Question 5

    Motion in a Plane. This type asked 3 times: 30 Jan 2023, 13 Apr 2023, 5 Apr 2024. This one: 5 Apr 2024 See all 3 of this type

    99
    A man carrying a monkey on his shoulder does cycling smoothly on a circular track of radius 9 m9\text{ }m and completes 120 revolutions in 3 minutes. The magnitude of centripetal acceleration of monkey is (in m/s2m/s^{2} ) :

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