PYQ Vault

Day 248: MHT-CET Physics

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

  1. Question 1

    Thermal Properties of Matter. Asked once: 15 May 2023 S1 (same type asked 3 times) See all 3 of this type

    42
    A sheet of steel is 40 cm long and 5 cm broad at 0∘C0^{\circ}\text{C}. The surface area of the sheet increases by 1.4 cm21.4\,\text{cm}^{2} at 100∘C100^{\circ}\text{C}. Coefficient of linear expansion of steel is

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  2. Question 2

    Superposition of Waves. Asked once: 16 May 2023 S2 (same type asked 3 times) See all 3 of this type

    12
    Two sound waves having frequencies 250 Hz and 256 Hz superimpose to produce beat wave. The resultant beat wave has intensity maximum at t=0t=0. After how much time will intensity minimum be produced at the same point?

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  3. Question 3

    Kinetic Theory of Gases. Asked once: 20 Apr 2025 S1 (same type asked 3 times) See all 3 of this type

    21
    A tyre of a vehicle is filled with air having pressure 270 kPa at 27∘C27^{\circ}C. The air pressure in the tire when the temperature increases to 37∘C37^{\circ}C is

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  4. Question 4

    Kinetic Theory of Gases. Asked once: 14 May 2024 S2 (same type asked 3 times) See all 3 of this type

    17
    The temperature of a gas is measure of

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  5. Question 5

    Current Electricity. Asked once: 15 May 2023 S2 (same type asked 3 times) See all 3 of this type

    33
    A galvanometer may be converted into ammeter or a voltmeter. In which of the following cases the resistance of the device so obtained will be the largest?

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