PYQ Vault

Day 187: MHT-CET Physics

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

  1. Question 1

    Current Electricity. This type asked 2 times: 11 May 2024 S2, 25 Apr 2025 S2. This one: 25 Apr 2025 S2 See all 2 of this type

    32
    Two batteries of e.m.f 4 V and 8 V with internal resistance 1Ω1\Omega and 2Ω2\Omega respectively are connected in a circuit with a resistance of 9Ω9\Omega as shown in the figure. The current and potential difference between the points ' P ' and ' Q ' is R=9ΩR = 9\Omega

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  2. Question 2

    Sound. This type asked 2 times: 11 May 2023 S1, 25 Apr 2025 S2. This one: 25 Apr 2025 S2 See all 2 of this type

    33
    At what speed should a source of sound move so that the observer finds the apparent frequency equal to half the original frequency?

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  3. Question 3

    Sound. This type asked 2 times: 19 Apr 2025 S1, 22 Apr 2025 S2. This one: 22 Apr 2025 S2 See all 2 of this type

    33
    When source of sound and observer both are moving towards each other, the observer will hear

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  4. Question 4

    Electrostatics. This type asked 2 times: 4 May 2023 S2, 22 Apr 2025 S1. This one: 22 Apr 2025 S1 See all 2 of this type

    7
    Four charges 2 μC,−3 μC,4 μC,−4 μC2\ \mu C, - 3\ \mu C,4\ \mu C, - 4\ \mu C and −1μC- 1\mu C are enclosed by the Gaussian surface of radius 2 m . Net outward flux through the Gaussian surface is (in μV−m\mu V - m ) [ ε0=\varepsilon_{0}= permittivity of free space]

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  5. Question 5

    Magnetic Fields Due to Electric Current. This type asked 2 times: 10 May 2024 S2, 22 Apr 2025 S1. This one: 22 Apr 2025 S1 See all 2 of this type

    22
    A circular coil of wire consisting of ' nn ' turns each of radius 8 cm carries a current of 0.4 A . The magnitude of the magnetic field at the centre of coil is 3.14×10−4 T3.14 \times10^{- 4}\text{ }T. The value of ' n ' is [Take μ0=12.56×10−7\mu_{0}= 12.56 \times10^{- 7} SI unit]

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