PYQ Vault

Day 154: MHT-CET Physics

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

  1. Question 1

    Wave Optics. Asked 2 times: 4 May 2023 S2, 25 Apr 2025 S2 See all 2 times it was asked

    49
    In a single slit diffraction experiment, slit of width ' aa ' is illuminated by light of wavelength ' λ\lambda ' and the width of the central maxima in diffraction pattern is measured as ' yy '. When half of the slit is covered and illuminated by light of wavelength (1.5) λ\lambda, the width of the central maximum in diffraction pattern becomes

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  2. Question 2

    AC Circuits. Asked 2 times: 14 May 2024 S2*, 25 Apr 2025 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    38
    The power factor of a CR circuit is 12\frac{1}{\sqrt{2}}, If the frequency of a.c. signal is halved, then the power factor of the circuit will become

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  3. Question 3

    AC Circuits. Asked 2 times: 10 May 2024 S2, 25 Apr 2025 S1 See all 2 times it was asked

    4
    The reactance of a capacitor is XCX_{C}. If the frequency and the capacitance are doubled, then the new reactance will be

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  4. Question 4

    Rotational Dynamics. Asked 2 times: 19 Apr 2025 S1, 25 Apr 2025 S1 See all 2 times it was asked

    12
    Four particles each of mass M are placed at the corners of a square of side L . The radius of gyration of the system about an axis perpendicular to the square and passing through its center is

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  5. Question 5

    Superposition of Waves. Asked 2 times: 11 May 2023 S1*, 25 Apr 2025 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    41
    At poles, a stretched wire of a given length vibrates in unison with a tuning fork. At the equator, for same setting, to produce resonance with same fork, the vibrating length of wire

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