PYQ Vault

Day 111: MHT-CET Physics

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

  1. Question 1

    Optics (Ray). Asked 2 times: 20 Apr 2025 S2, 15 May 2026 S1 See all 2 times it was asked

    140
    An achromatic convergent doublet of two lenses in contact has a power of +2D+2D. The convex lens has power +5D+5D. What is the ratio of the dispersive powers of the convergent and divergent lenses?

    Tap an option to check your answer.

  2. Question 2

    Semiconductor Devices. Asked 2 times: 22 Apr 2025 S1, 15 May 2026 S1 See all 2 times it was asked

    150
    If an alternating voltage is applied across a diode in series with a load resistance then

    Tap an option to check your answer.

  3. Question 3

    Structure of Atoms and Nuclei. Asked 2 times: 2 May 2023 S2*, 15 May 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    146
    An electron of stationary hydrogen atom jumps from 4th energy level to ground level. The recoil velocity of the atom as a result of electron transition will be (hh = Planck's constant, RR = Rydberg's constant, m=mass of hydrogen atomm = \text{mass of hydrogen atom})

    Tap an option to check your answer.

  4. Question 4

    Thermal Properties of Matter. Asked 2 times: 11 May 2024 S1, 15 May 2026 S1 See all 2 times it was asked

    112
    The temperature of a black body is increased by 50%50\% then the percentage increase of radiation is nearly

    Tap an option to check your answer.

  5. Question 5

    AC Circuits. Asked 2 times: 16 May 2023 S2*, 15 May 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    139
    If a transformer of an amplifier has output impedance 8000 Ω8000\ \Omega and the speaker has input impedance of 8 Ω8\ \Omega, the primary and secondary turns of this transformer connected between the output of amplifier and to loudspeaker should have the ratio

    Tap an option to check your answer.