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Day 47: MHT-CET Physics

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

  1. Question 1

    Current Electricity. This type asked 5 times: 10 May 2023 S2, 16 May 2023 S1, 11 May 2024 S1, 11 May 2024 S2, 20 Apr 2025 S1. This one: 20 Apr 2025 S1 See all 5 of this type

    3
    The potential difference (VA−VB)\left( V_{A}-V_{B} \right) between the points A and B in the given figure is

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  2. Question 2

    Optics (Ray). This type asked 5 times: 2 May 2023 S2, 9 May 2023 S2, 10 May 2023 S2, 16 May 2023 S2, 10 May 2024 S2. This one: 10 May 2024 S2 See all 5 of this type

    2
    Two lenses of power −15 D-15\,D and +5 D+5\,D are in contact with each other. The focal length of the combination is:

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  3. Question 3

    Magnetic Fields Due to Electric Current. Asked 4 times: May 2021 S1, 14 May 2024 S1, 13 May 2026 S2, 15 May 2026 S1 See all 4 times it was asked

    132
    Two circular coils A and B are made from same wire but the radius of coil A is twice that of coil B. If the magnetic field at their centres is same then the ratio potential difference applied across them is

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  4. Question 4

    Semiconductor Devices. Asked 4 times: 2 May 2023 S1, 10 May 2023 S2, 14 May 2024 S1, 15 May 2026 S1 See all 4 times it was asked

    148
    In semiconductors, at room temperature the

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  5. Question 5

    Dual Nature of Radiation and Matter. Asked 4 times: 3 May 2023 S1, 3 May 2023 S2*, 13 May 2026 S1*, 14 May 2026 S2 (* = numbers or wording changed that year) See all 4 times it was asked

    144
    When photons of energy hνh\nu fall on a metal plate of work function W0W_0, photoelectrons of maximum kinetic energy K are ejected. If the frequency of radiation is doubled, the maximum kinetic energy of ejected photoelectrons will be

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