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Day 385: JEE Mains Physics

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

  1. Question 1

    Motion in a Straight Line. Asked once: 29 Jun 2022 (same type asked 5 times) See all 5 of this type

    91
    A small toy starts moving from the position of rest under a constant acceleration. If it travels a distance of 10 m10\text{ }m in tsts,. the distance travelled by the toy in the next tsts will be:

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  2. Question 2

    Electromagnetic Induction. Asked once: 2021 Paper 17 (same type asked 5 times) See all 5 of this type

    24
    In the given figure the magnetic flux through the loop increases according to the relation ϕB(t)=10t2+20t\phi_{B}(t) = 10t^{2} + 20t, where ϕB\phi_{B} is in milliwebers and tt is in seconds. The magnitude of current through R=2ΩR = 2\Omega resistor at t=5 st = 5\text{ }s is mAmA.

  3. Question 3

    Motion in a Straight Line. Asked once: 24 Jan 2023 (same type asked 5 times) See all 5 of this type

    110
    The velocity time graph of a body moving in a straight line is shown in figure. The ratio of displacement to distance travelled by the body in time o to 10 s10\text{ }s is:

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  4. Question 4

    Nuclei. Asked once: 1 Feb 2023 (same type asked 5 times) See all 5 of this type

    16
    The mass of proton, neutron and helium nucleus are respectively 1.0073u,1.0087u1.0073u,1.0087u and 4.0015u4.0015u. The binding energy of helium nucleus is:

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  5. Question 5

    Atoms. Asked once: 2021 Paper 4 (same type asked 5 times) See all 5 of this type

    4
    The wavelength of the photon emitted by a hydrogen atom when an electron makes a transition from n=2n = 2 to n=1n = 1 state is:

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