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Day 7: JEE Mains Physics

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

  1. Question 1

    Gravitation. This type asked 8 times: 29 Jun 2022, 1 Feb 2023, 12 Apr 2023, 13 Apr 2023, 30 Jan 2024, 31 Jan 2024, 28 Jan 2025, 22 Jan 2026 S1. This one: 22 Jan 2026 S1 See all 8 of this type

    5
    The escape velocity from a spherical planet A is 10 km/skm/s. The escape velocity from another planet B whose density and radius are 10%10\% of those of planet A, is ____\_\_\_\_ m/sm/s.

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  2. Question 2

    Wave Optics. This type asked 8 times: 2021 Paper 3, 2021 Paper 21, 14 Jun 2022, 25 Jun 2022, 27 Jul 2022, 13 Apr 2023, 6 Apr 2024, 3 Apr 2025. This one: 3 Apr 2025 See all 8 of this type

    81
    Two monochromatic light beams have intensities in the ratio 1:91:9. An interference pattern is obtained by these beams. The ratio of the intensities of maximum to minimum is.

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  3. Question 3

    Moving Charges and Magnetism. This type asked 8 times: 2021 Paper 7, 25 Jun 2022, 24 Jan 2023, 25 Jan 2023, 31 Jan 2023, 8 Apr 2023, 5 Apr 2024, 29 Jan 2025. This one: 29 Jan 2025 See all 8 of this type

    96
    The magnetic field inside a 200 turns solenoid of radius 10 cm is 2.9×10−4Tesla2.9 \times10^{- 4}Tesla. If the solenoid carries a current of 0.29 A , then the length of the solenoid is ______\_\_\_\_\_\_ πcm\pi cm.

  4. Question 4

    Mechanical Properties of Fluids. This type asked 7 times: 25 Jun 2022, 11 Apr 2023, 31 Jan 2024, 8 Apr 2024, 21 Jan 2026 S2, 24 Jan 2026 S1, 8 Apr 2026 S2. This one: 8 Apr 2026 S2 See all 7 of this type

    9
    A spherical liquid drop of radius R acquires the terminal velocity v1v_{1} when falls through a gas of viscosity η\eta. Now the drop is broken into 64 identical droplets and each droplet acquires terminal velocity v2v_{2} falling through the same gas. The ratio of terminal velocities v1/v2v_{1}/v_{2} is ____\_\_\_\_ .

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  5. Question 5

    Motion in a Plane. This type asked 7 times: 2021 Paper 24, 25 Jun 2022, 25 Jan 2023, 31 Jan 2023, 29 Jan 2025, 7 Apr 2025, 8 Apr 2026 S2. This one: 8 Apr 2026 S2 See all 7 of this type

    6
    Two identical bodies projected with the same speed at two different angles cover the same horizontal range R . If the time of flight of these bodies are 5 s and 10 s , respectively, then the value of RR is ____\_\_\_\_ m. (Take g=10 m/s2g = 10\text{ }m/s^{2} )

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