PYQ Vault

Day 3: JEE Mains Physics

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

  1. Question 1

    Wave Optics. This type asked 10 times: 15 Apr 2023, 27 Jan 2024, 29 Jan 2024, 30 Jan 2024, 1 Feb 2024, 5 Apr 2024, 8 Apr 2024, 2 Apr 2025, 2 Apr 2026 S1, 4 Apr 2026 S1. This one: 4 Apr 2026 S1 See all 10 of this type

    8
    A slit of width a is illuminated by light of wavelength λ\lambda. The linear separation between 1st 1^{\text{st~}} and 3rd 3^{\text{rd~}} minima in the diffraction pattern produced on a screen placed at a distance D from the slit system is ____\_\_\_\_ .

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  2. Question 2

    Units and Measurements. This type asked 10 times: 2021 Paper 5, 26 Jun 2022, 29 Jul 2022, 30 Jan 2024, 1 Feb 2024, 5 Apr 2024, 8 Apr 2024, 9 Apr 2024, 4 Apr 2025, 24 Jan 2026 S2. This one: 24 Jan 2026 S2 See all 10 of this type

    2
    In a vernier callipers, 50 vernier scale divisions are equal to 48 main scale divisions. If one main scale division =0.05 mm= 0.05\text{ }mm, then the least count of the vernier callipers is ____\_\_\_\_ mm.

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  3. Question 3

    Moving Charges and Magnetism. This type asked 10 times: 2021 Paper 10, 2021 Paper 11, 2021 Paper 20, 14 Jun 2022, 27 Jun 2022, 29 Jun 2022, 25 Jul 2022, 29 Jan 2024, 9 Apr 2024, 7 Apr 2025. This one: 7 Apr 2025 See all 10 of this type

    17
    A particle of charge qq, mass mm and kinetic energy EE enters in magnetic field perpendicular to its velocity and undergoes a circular arc of radius(r). Which of the following curves represents the variation of rr with EE ?

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  4. Question 4

    Waves. This type asked 9 times: 28 Jul 2022, 24 Jan 2023, 10 Apr 2023, 11 Apr 2023, 8 Apr 2024, 23 Jan 2025, 4 Apr 2025, 2 Apr 2026 S1, 5 Apr 2026 S1. This one: 5 Apr 2026 S1 See all 9 of this type

    23
    A transverse wave on a string is described by y=3sin⁡(36t+0.018x+π/4)y = 3\sin(36t + 0.018x + \pi/4). Where x,yx,y are in cm and tt in seconds. The least distance between the two successive crests in the wave is ____\_\_\_\_ cm. (Nearest integer) (π=3.14)(\pi = 3.14)
  5. Question 5

    Ray Optics. This type asked 9 times: 2021 Paper 6, 28 Jul 2022, 24 Jan 2023, 11 Apr 2023, 29 Jan 2024, 24 Jan 2025, 29 Jan 2025, 7 Apr 2025, 28 Jan 2026 S1. This one: 28 Jan 2026 S1 See all 9 of this type

    24
    A convex lens of refractive index 1.5 and focal length f=18 cmf = 18\text{ }cm is immersed in water. The difference in focal lengths of the given lens when it is in water and in air is α×f\alpha \times f. The value of α\alpha is ____\_\_\_\_ . (refractive index of water =4/3= 4/3 )