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Day 320: MHT-CET Physics

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

  1. Question 1

    Oscillations. Asked once: 22 Apr 2025 S1 (same type asked 10 times) See all 10 of this type

    45
    For a particle performing S.H.M., the total energy is ' nn ' times the kinetic energy, when the displacement of a particle from mean position is 32 A\frac{\sqrt{3}}{2}\text{ }A, where A is the amplitude of S.H.M. The value of ' nn ' is

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  2. Question 2

    AC Circuits. Asked once: 4 May 2023 S2 (same type asked 9 times) See all 9 of this type

    39
    In series LCR resonant circuit, the capacitance is changed from C to 3C. To obtain the same resonant frequency, the inductance should be changed from L to

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  3. Question 3

    Structure of Atoms and Nuclei. Asked once: 4 May 2023 S2 (same type asked 9 times) See all 9 of this type

    42
    Half-lives of two radioactive elements A and B are 30 minute and 60 minutes respectively. Initially the samples have equal number of nuclei. After 120 minute the ratio of decayed numbers of nuclei of B to that of A will be

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  4. Question 4

    Superposition of Waves. Asked once: 10 May 2024 S1 (same type asked 8 times) See all 8 of this type

    16
    If length of stretched string is reduced by 40% and tension is increased by 44%, the ratio of final to initial frequency is

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  5. Question 5

    Oscillations. Asked once: 2 May 2023 S1 (same type asked 8 times) See all 8 of this type

    18
    Choose the correct answer. When a point of suspension of pendulum is moved vertically upward with acceleration aa, its period of oscillation

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