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  3. 8th Class
  4. Science
  5. Force and Pressure

8th Class Science Force and Pressure Question Bank Force, Friction and Sound

  • question_answer
    In order to increase the loudness of a sound we have to:

    A) Decrease its frequency of vibration.

    B) Increase its frequency of vibration.

    C) Increase its amplitude of vibration.

    D) Decrease its amplitude of vibration.

    E) None of these

    Correct Answer: C

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