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Day 518: JEE Mains Physics

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

  1. Question 1

    Electrostatics. Asked once: 7 Apr 2025

    96
    A parallel plate capacitor has charge 5×10−6C5 \times 10^{- 6}C. A dielectric slab is inserted between the plates and almost fills the space between the plates. If the induced charge on one face of the slab is 4×10−64 \times 10^{- 6} C then the dielectric constant of the slab is.

  2. Question 2

    Gravitation. Asked once: 2021 Paper 11

    16
    A person standing on a weighing machine is slowly taken from the surface of the Earth to the surface of Mars. Given that the value of gg on Earth is 10 ms−210\text{ }ms^{-2} and that on Mars is 4 ms−24\text{ }ms^{-2}, the graph of weight versus distance from the Earth's surface is:

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  3. Question 3

    Kinetic Theory. Asked once: 27 Jul 2022

    9
    Same gas is filled in two vessels of the same volume at the same temperature. If the ratio of the number of molecules is 1:41:4, then A. The r.m.s. velocity of gas molecules in two vessels will be the same. B. The ratio of pressure in these vessels will be 1:41:4 C. The ratio of pressure will be 1:11:1 D. The r.m.s. velocity of gas molecules in two vessels will be in the ratio of 1:41:4

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  4. Question 4

    Laws of Motion. Asked once: 27 Jan 2024

    15
    A body of mass 1000 kg1000\text{ }kg is moving horizontally with a velocity 6 m/s6\text{ }m/s. If 200 kg200\text{ }kg extra mass is added, the final velocity (in m/sm/s ) is:

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  5. Question 5

    Mechanical Properties of Fluids. Asked once: 6 Apr 2023

    93
    Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: When you squeeze one end of a tube to get toothpaste out from the other end, Pascal's principle is observed. Reason R: A change in the pressure applied to an enclosed incompressible fluid is transmitted undiminished to every portion of the fluid and to the walls of its container. In the light of the above statements, choose the most appropriate answer from the options given below

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