Science

7th

grade

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Time and motion

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  • 1. Multiple Choice
    30 seconds
    1 pt

    The fact that the time period of a simple pendulum remains same is used in ............clock

    SUNDIAL

    SIMPLE

    PENDULUM

  • 2. Multiple Choice
    30 seconds
    1 pt

    In modern wrist watch , time is measured by the vibrations of a ................crystals

    Quartz

    Diamond

    GOLD

  • 3. Multiple Choice
    30 seconds
    1 pt

    The SI unit of speed

    m/s

    km/s

    km/hr

    m/hr

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