PYQ Vault

Day 271: MHT-CET Physics

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

  1. Question 1

    AC Circuits. Asked once: 11 May 2023 S1 (same type asked 9 times) See all 9 of this type

    7
    An inductance of 300π\frac{300}{\pi} mH, a capacitance of 1π\frac{1}{\pi} mF and a resistance of 20 Ω20\,\Omega are connected in series with an a.c. source of 240 V, 50 Hz. The phase angle of the circuit is

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  2. Question 2

    Rotational Dynamics. Asked once: 9 May 2023 S1 (same type asked 8 times) See all 8 of this type

    17
    A thin uniform rod of length LL and mass MM is swinging freely along a horizontal axis passing through its centre. Its maximum angular speed is ω\omega. Its centre of mass rises to a maximum height of [g=gravitational acceleration][g = \text{gravitational acceleration}]

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  3. Question 3

    Dual Nature of Radiation and Matter. Asked once: 23 Apr 2025 S1 (same type asked 8 times) See all 8 of this type

    8
    For two different photosensitive materials having work function ϕ\phi and 2ϕ2\phi respectively, are illuminated with light of sufficient energy to emit electrons. If the graph of stopping potential versus frequency is drawn, for these two different photosensitive materials, the ratio of slope of graph for these two materials is

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  4. Question 4

    Rotational Dynamics. Asked once: 15 May 2023 S2 (same type asked 8 times) See all 8 of this type

    24
    The radius of gyration of a circular disc of radius RR and mass mm rotating about diameter as axis is

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  5. Question 5

    Superposition of Waves. Asked once: 12 May 2024 S1 (same type asked 8 times) See all 8 of this type

    1
    A uniform string is vibrating with a fundamental frequency nn. If radius and length of string both are doubled keeping tension constant then the new frequency of vibration is

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