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Day 12: MHT-CET Physics

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

  1. Question 1

    Current Electricity. This type asked 8 times: 16 May 2023 S1, 16 May 2023 S2, 25 Apr 2025 S2, 26 Apr 2025 S1, 15 Apr 2026 S1, 17 Apr 2026 S1, 18 Apr 2026 S1, 14 May 2026 S1. This one: 14 May 2026 S1 See all 8 of this type

    129
    When a resistance of 100 Ω100\,\Omega is connected in series with galvanometer of resistance RR, its range is VV. To double its range, another additional resistance of 1000 Ω1000\,\Omega is connected in series. Find the value of RR.

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  2. Question 2

    Dual Nature of Radiation and Matter. This type asked 8 times: May 2021 S1, 3 May 2023 S1, 16 May 2023 S2, 26 Apr 2025 S1, 26 Apr 2025 S2, 11 Apr 2026 S1, 11 Apr 2026 S2, 13 May 2026 S2. This one: 13 May 2026 S2 See all 8 of this type

    144
    The energy of a photon is equal to the kinetic energy of a proton. If λ1\lambda_1 is the de-Broglie wavelength of a proton, λ2\lambda_2 is the wavelength associated with the photon and if the energy of the photon is EE then (λ1/λ2)(\lambda_1/\lambda_2) is proportional to

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  3. Question 3

    Oscillations. This type asked 8 times: 2 May 2023 S1, 11 May 2024 S1, 12 May 2024 S2, 19 Apr 2025 S1, 21 Apr 2025 S1, 26 Apr 2025 S2, 11 Apr 2026 S2, 13 May 2026 S2. This one: 13 May 2026 S2 See all 8 of this type

    120
    The time period of a simple pendulum inside a stationary lift is 5\sqrt{5} s. The time period when the lift moves upwards with an acceleration g4\dfrac{g}{4} is (gg = acceleration due to gravity)

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  4. Question 4

    Thermal Properties of Matter. This type asked 8 times: 3 May 2023 S1, 10 May 2024 S1, 19 Apr 2025 S2, 22 Apr 2025 S1, 17 Apr 2026 S1, 19 Apr 2026 S1, 13 May 2026 S1, 13 May 2026 S2. This one: 13 May 2026 S2 See all 8 of this type

    114
    If 150150 J of energy is incident on area 2m22\mathrm{m^2} and amount of heat reflected is 1515 J, coefficient of absorption is 0.60.6 the amount of energy transmitted is

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  5. Question 5

    Kinetic Theory of Gases. This type asked 8 times: 2 May 2023 S2, 19 Apr 2025 S2, 22 Apr 2025 S1, 25 Apr 2025 S2, 16 Apr 2026 S1, 19 Apr 2026 S1, 12 May 2026 S2, 13 May 2026 S1. This one: 13 May 2026 S1 See all 8 of this type

    117
    At what temperature, the kinetic energy of a gas molecule is half of the value at 27∘27^\circC ?

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