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    Physics
    Grade-9
    Easy

    Question

    In vacuum but not in a medium

    1. The medium particles travel from one place to another
    2. There is no humudity in the air
    3. The disturbance travel from one place to another
    4. Both particles, as well as disturbances, travel from one place to another

    Hint:

    Disturbance travels from one place to another to show wave propagation

    The correct answer is: The disturbance travel from one place to another

      Waves mostly require medium because they rely on particles for motion

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