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    Physics
    Grade-8
    Easy

    Question

    The picture below shows sound waves in different colors. Pick the color of the sound wave which is of the lowest frequency.
    Inserting image...

    1. Purple
    2. Blue
    3. Red
    4. Yellow

    hintHint:

    Purple has the highest frequency.

    The correct answer is: Red

      • The total number of waves produced in one second is called the frequency of the wave.
      • Red has the minimum frequency.
      • Purple has maximum frequency

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      The picture below shows three sound wave forms. They have the same ____.