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Day 125: JEE Mains Physics

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

  1. Question 1

    Nuclei. This type asked 2 times: 4 Apr 2024, 8 Apr 2024. This one: 8 Apr 2024 See all 2 of this type

    92
    In a hypothetical fission reaction
     92X236→ 56Y141+ 36Z92+3R\ _{92}X^{236}\rightarrow\ _{56}Y^{141}+\ _{36}Z^{92}+ 3R
    The identity of emitted particles (R)(R) is :

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  2. Question 2

    Work, Energy and Power. This type asked 2 times: 14 Jun 2022, 8 Apr 2024. This one: 8 Apr 2024 See all 2 of this type

    91
    A block is simply released from the top of an inclined plane as shown in the figure above. The maximum compression in the spring when the block hits the spring is:

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  3. Question 3

    Motion in a Plane. This type asked 2 times: 27 Jan 2024, 6 Apr 2024. This one: 6 Apr 2024 See all 2 of this type

    97
    A car of 800 kg800\text{ }kg is taking turn on a banked road of radius 300 m300\text{ }m and angle of banking 30∘30^{\circ}. If coefficient of static friction is 0.2 then the maximum speed with which car can negotiate the turn safely : (g=10 m/s2,3=1.73)\left( g = 10\text{ }m/s^{2},\sqrt{3}= 1.73 \right)

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  4. Question 4

    Work, Energy and Power. This type asked 2 times: 2021 Paper 7, 6 Apr 2024. This one: 6 Apr 2024 See all 2 of this type

    2
    A bullet of mass 50 g50\text{ }g is fired with a speed 100 m/s100\text{ }m/s on a plywood and emerges with 40 m/s40\text{ }m/s. The percentage loss of kinetic energy is:

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  5. Question 5

    Work, Energy and Power. This type asked 2 times: 2021 Paper 12, 6 Apr 2024. This one: 6 Apr 2024 See all 2 of this type

    105
    When kinetic energy of a body becomes 36 times of its original value, the percentage increase in the momentum of the body will be:

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