Friday , September 25 2020

NCERT 8th Class (CBSE) Science: Sound – Quiz

NCERT 8th Class (CBSE) Science: Sound – Quiz

26 Multiple Choice Questions related to NCERT 8th Class (CBSE) Science: Sound – Quiz:

  • Sound is produced by rapid to and fro movements, called vibrations.
  • The maximum distance to which an oscillating or vibrating object moves from its central position is called amplitude. The loudness of sound depends on the amplitude of vibration.
  • The time taken for one complete vibration or oscillation is called its time period.
  • The number of oscillations per second is called frequency. It is measured in hertz.
  • The pitch of sound depends on the frequency of vibration.

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