PYQ Vault

Day 126: MHT-CET Physics

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

  1. Question 1

    Semiconductor Devices. Asked 2 times: 26 Apr 2025 S1, 19 Apr 2026 S1 See all 2 times it was asked

    148
    The material used for solar cell should have band gap (A) equal to zero. (B) equal to 0.080.08 eV. (C) between 1.01.0 eV to 1.81.8 eV. (D) equal to 22 eV.

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  2. Question 2

    Structure of Atoms and Nuclei. Asked 2 times: 10 May 2024 S1, 19 Apr 2026 S1 See all 2 times it was asked

    146
    The shortest wavelength in the Balmer series of hydrogen atom is equal to the shortest wavelength in the Brackett series of a hydrogen like atom of atomic number 'Z'. The value of 'Z' is

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  3. Question 3

    Structure of Atoms and Nuclei. Asked 2 times: 15 May 2023 S1*, 19 Apr 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    147
    A radioactive sample has half-life of 55 years. The percentage of fraction decayed in 1010 years will be

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  4. Question 4

    Thermodynamics. Asked 2 times: May 2022 S1, 19 Apr 2026 S1 See all 2 times it was asked

    116
    The thermodynamic process in which no work is done by the gas or on the gas is

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  5. Question 5

    Wave Optics. Asked 2 times: 22 Apr 2025 S2*, 19 Apr 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    142
    In a single slit diffraction pattern, the distance between the plane of the slit and the screen is 1.41.4 m. The width of the slit is 0.660.66 mm. The second maximum is formed at the distance of 2.82.8 mm from the center of the screen. The wavelength of light used is

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