PYQ Vault

Day 193: MHT-CET Physics

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

  1. Question 1

    Structure of Atoms and Nuclei. Asked once: 26 Apr 2025 S1 (same type asked 16 times) See all 16 of this type

    44
    In Paschen series, wavelength of first line is 'λ1\lambda_{1}' and for Brackett series, wavelength of first line is 'λ2\lambda_{2}' then ratio λ1λ2\frac{\lambda_{1}}{\lambda_{2}} is

    Tap an option to check your answer.

  2. Question 2

    Mechanical Properties of Fluids. Asked once: 17 Apr 2026 S2 (same type asked 16 times) See all 16 of this type

    111
    Two soap bubbles, A and B, have radii in the ratio 3:23 : 2. The excess pressure inside the bubble A to that of B is in the ratio

    Tap an option to check your answer.

  3. Question 3

    Dual Nature of Radiation and Matter. Asked once: 15 Apr 2026 S1 (same type asked 14 times) See all 14 of this type

    144
    Light of wavelength 'λ\lambda' which is less than threshold wavelength is incident on a photosensitive material. If incident wavelength is decreased so that emitted photoelectrons are moving with some velocity then stopping potential

    Tap an option to check your answer.

  4. Question 4

    Dual Nature of Radiation and Matter. Asked once: 23 Apr 2025 S1 (same type asked 14 times) See all 14 of this type

    27
    The energy that should be added to an electron to reduce its de-Broglie wavelength from λ\lambda to λ2\frac{\lambda}{2} is nn times the initial energy. The value of ' nn ' is

    Tap an option to check your answer.

  5. Question 5

    Mechanical Properties of Fluids. Asked once: 19 Apr 2026 S1 (same type asked 13 times) See all 13 of this type

    109
    One large soap bubble of diameter 'D' breaks into 6464 bubbles having surface tension 'T'. The change in surface energy is

    Tap an option to check your answer.