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Day 124: MHT-CET Physics

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

  1. Question 1

    Structure of Atoms and Nuclei. Asked 2 times: 10 May 2023 S1, 19 Apr 2026 S2 See all 2 times it was asked

    144
    If the ionisation energy for the hydrogen atom is 13.613.6 eV, then the energy required to excite it from the ground state to the next higher state is nearly

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  2. Question 2

    Superposition of Waves. Asked 2 times: 3 May 2023 S2*, 19 Apr 2026 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    120
    In a resonance tube open at one end, the end correction is 1.11.1 cm. If the shortest length of resonating air column with a tuning fork is 1818 cm, the next resonating length will be

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  3. Question 3

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

    123
    The equation of a progressive wave is given by y=6cos⁡(100t−4x)y = 6\cos(100t - 4x) where yy is in μm\mu\mathrm{m}, xx in metre and tt in second. The ratio of the maximum particle velocity to the velocity of wave is

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  4. Question 4

    Superposition of Waves. Asked 2 times: May 2021 S1*, 19 Apr 2026 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    124
    A body sends a wave 150150 mm long through medium P and 0.300.30 m long in medium Q. If velocity of the wave in medium P is 80 cm s−180\ \mathrm{cm\,s^{-1}}, the velocity of wave in medium Q is

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  5. Question 5

    Thermodynamics. Asked 2 times: May 2021 S1, 19 Apr 2026 S2 See all 2 times it was asked

    114
    An ideal gas having pressure P, volume V and temperature T undergoes a thermodynamic process in which dW=0dW = 0 and dQ<0dQ < 0. Then, for the gas

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