Physics

12th

grade

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Physics Basic Unit#4 Test

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40 questions

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  • 1. Multiple Choice
    1.5 minutes
    5 pts

    A source of sound of frequency 500 Hz is moving towards on observer with velocity 30 ms–1. The speed of sound is 330 ms–1. The frequency heard by observer will be:

    550 Hz

    458.3 Hz

    530 Hz

    454.5 Hz

  • 2. Multiple Choice
    1.5 minutes
    5 pts
    Image

    The velocity time graph of – harmonic oscillation is shown the figure below, the frequency of oscillation is

    12.25 Hz

    2.5Hz

    33.3 Hz

    50Hz

  • 3. Multiple Choice
    1.5 minutes
    5 pts

    A body executes SHM. The PE, KE and TE are measured as a function of displacement "x". Which of the following statements is true

    TE = 0 when x = 0

    KE is maximum when x is maximum

    KE is maximum when x = 0

    PE is maximum when x = 0

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