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Day 269: MHT-CET Physics

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

  1. Question 1

    Oscillations. Asked once: 16 Apr 2026 S2 (same type asked 10 times) See all 10 of this type

    119
    The maximum potential energy of a block executing S.H.M. is E and amplitude of oscillation is 'A'. The kinetic energy of the block at amplitude A/2 is

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  2. Question 2

    Dual Nature of Radiation and Matter. Asked once: 20 Apr 2025 S2 (same type asked 10 times) See all 10 of this type

    44
    On a photosensitive material, when frequency of incident radiation is increased by 20%20\%, maximum kinetic energy of emitted photoelectrons increases from 0.4 eV to 0.7 eV . The work function of the material is

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  3. Question 3

    AC Circuits. Asked once: 20 Apr 2025 S1 (same type asked 9 times) See all 9 of this type

    22
    A 20Ω20\Omega resistance, 10 mH inductance coil and 15μ F15\mu\text{ }F capacitor is joined in series. When a suitable frequency alternating current source is joined to this combination, the circuit resonates. If the resistance is made 13rd\frac{1}{3}rd, the resonant frequency

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  4. Question 4

    Kinetic Theory of Gases. Asked once: 19 Apr 2025 S1 (same type asked 9 times) See all 9 of this type

    35
    For ideal non-rigid diatomic gas, the value of RCv\frac{R}{C_{v}} is nearly (γ=CPCv=97)\left( \gamma=\frac{C_{P}}{C_{v}}=\frac{9}{7} \right)

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  5. Question 5

    Structure of Atoms and Nuclei. Asked once: 17 Apr 2026 S1 (same type asked 9 times) See all 9 of this type

    147
    The half-life of the isotope 11Na24{}_{11}\mathrm{Na}^{24} is 15 hr. How much time does it take for (78)th\left(\dfrac{7}{8}\right)^{th} of a sample of this isotope to decay ?

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