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Day 23: MHT-CET Physics

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

  1. Question 1

    Dual Nature of Radiation and Matter. Asked 6 times: 10 May 2023 S1*, 11 May 2023 S1*, 15 May 2023 S1*, 10 May 2024 S2*, 12 May 2024 S2*, 19 Apr 2025 S2 (* = numbers or wording changed that year) See all 6 times it was asked

    24
    An electron accelerated by a potential difference ' VV ' has de-Broglie wavelength ' λ\lambda '. If the electron is accelerated by a potential difference ' 9 V ', its de-Broglie wavelength will be

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  2. Question 2

    Electrostatics. This type asked 6 times: 4 May 2023 S1, 11 May 2024 S2, 11 Apr 2026 S1, 13 Apr 2026 S2, 15 May 2026 S1, 19 May 2026 S2. This one: 19 May 2026 S2 See all 6 of this type

    126
    Two spheres A and B of radius aa and bb respectively are at the same electric potential. The ratio of the surface charge densities of A to that of B is

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  3. Question 3

    Superposition of Waves. This type asked 6 times: 4 May 2023 S1, 10 May 2023 S1, 21 Apr 2025 S1, 16 Apr 2026 S2, 18 Apr 2026 S1, 19 May 2026 S1. This one: 19 May 2026 S1 See all 6 of this type

    122
    Two simple harmonic sound waves travelling in the same direction are given by y1(x,t)=Asin⁡(0.5πx−100πt)y_1(x, t) = A\sin(0.5\pi x - 100\pi t) and y2(x,t)=Asin⁡(0.46πx−92πt)y_2(x, t) = A\sin(0.46\pi x - 92\pi t) The number of times, a stationary listener can hear sound of maximum intensity in one second is

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  4. Question 4

    Thermal Properties of Matter. This type asked 6 times: 11 May 2024 S1, 13 Apr 2026 S2, 19 Apr 2026 S1, 14 May 2026 S1, 15 May 2026 S1, 19 May 2026 S1. This one: 19 May 2026 S1 See all 6 of this type

    113
    A perfectly black body radiates power at temperature T1T_1K. If it is to radiate 16 times this power, its temperature should be increased by

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  5. Question 5

    Electrostatics. This type asked 6 times: 12 May 2024 S1, 13 May 2024 S2, 25 Apr 2025 S1, 17 Apr 2026 S2, 18 Apr 2026 S2, 15 May 2026 S2. This one: 15 May 2026 S2 See all 6 of this type

    127
    Four capacitors each of 16 μF16\ \mu F are connected as shown. The capacitance between points AA and BB is (in μF\mu F)

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