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.