PYQ Vault

Day 377: MHT-CET Physics

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

  1. Question 1

    Thermal Properties of Matter. Asked once: 11 Apr 2026 S1

    113
    A wire of length LL and diameter dd is used in a bulb. The temperature of wire is TT and power radiated by the wire is PP. Its emissivity is (σ\sigma = Stefan's constant) (Assume that emissivity of wire material is same at all wavelength)

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  2. Question 2

    Thermodynamics. Asked once: 25 Apr 2025 S2

    41
    Heat supplied dQ = increased in internal energy dU is true for

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  3. Question 3

    Wave Optics. Asked once: 23 Apr 2025 S1

    13
    In Young's double slit experiment the wavelength of light used is 6000Å6000\text{Å}, the screen is 40 cm from the slits and the fringe width is 0.012 cm , the distance between two slits is

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  4. Question 4

    AC Circuits. Asked once: 20 Apr 2025 S2

    2
    The reading of the ammeter in the following circuit is

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  5. Question 5

    Current Electricity. Asked once: 11 Apr 2026 S2

    130
    In the following network, the current flowing through 15 Ω15\,\Omega resistance is

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