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  5. Lights, Sound and Force

5th Class Science Lights, Sound and Force Question Bank Lights and Sound

  • question_answer

    Directions (Qs. 32 to 36): Complete the following puzzle by answering the questions.     

    [3 Across] It is the measure of how fast the speed wave is oscillating.

    A) Hertz               

    B)          Frequency     

    C) Vibration        

    D)          Wavelength

    Correct Answer: A

    Solution :

        Hertz is the measure of how fast the speed wave is oscillating. This is called frequency which is measured in Hertz.


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