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Day 59: JEE Mains Physics

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

  1. Question 1

    Kinetic Theory. This type asked 3 times: 2021 Paper 25, 4 Apr 2025, 6 Apr 2026 S1. This one: 6 Apr 2026 S1 See all 3 of this type

    10
    Two closed vessels of same volume are joined through a narrow tube and both vessels are filled with air of pressure 90 kPa and temperature 400 K . Keeping the temperature of one vessel constant at 400 K the second vessel temperature is raised to 500 K . The final pressure in the vessels is ____\_\_\_\_ kPa .

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  2. Question 2

    Mechanical Properties of Solids. This type asked 3 times: 31 Jan 2023, 28 Jan 2026 S1, 6 Apr 2026 S1. This one: 6 Apr 2026 S1 See all 3 of this type

    9
    The two wires A and B of equal cross-section but of different materials are joined together. The ratio of Young's modulus of wire A and wire B is 20/11. When the joined wire is kept under certain tension the elongations in the wires A and B are equal. If the length of wire A is 2.2 m , then the length of wire BB is ____\_\_\_\_ m.

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  3. Question 3

    Electromagnetic Waves. This type asked 3 times: 31 Jan 2024, 29 Jan 2025, 5 Apr 2026 S2. This one: 5 Apr 2026 S2 See all 3 of this type

    14
    Given below are two statements : one is labelled as Assertion (A) : and the other is labelled as Reason (R). Assertion (A) : The electromagnetic wave exerts pressure on the surface on which they are allowed to fall. Reason (R) : There is no mass associated with the electromagnetic waves. In the light of the above statements, choose the correct answer from the options given below:

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  4. Question 4

    Gravitation. This type asked 3 times: 29 Jul 2022, 25 Jan 2023, 5 Apr 2026 S2. This one: 5 Apr 2026 S2 See all 3 of this type

    7
    A body of mass mm is taken from the surface of earth to a height equal to twice the radius of earth (ReR_{e}). The increase in potential energy will be ____\_\_\_\_ . (g is acceleration due to gravity at the surface of earth)

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  5. Question 5

    Laws of Motion. This type asked 3 times: 29 Jan 2024, 30 Jan 2024, 5 Apr 2026 S2. This one: 5 Apr 2026 S2 See all 3 of this type

    3
    A mass of 1 kg kept on an inclined plane with 30∘30^{\circ} inclination with respect to horizontal plane and it is at rest initially. Then the whole assembly is moved up with constant velocity of 4 m/s4\text{ }m/s. The work done by the frictional force in time 2 s is ____\_\_\_\_ J. (Take g=10 m/s2g = 10\text{ }m/s^{2} )

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