Fill in the blanks with suitable words. (a) Time taken by an object to complete one oscillation is called _________ . (b) Loudness is determined by the __________ of vibration. (c) The unit of frequency is __________ . (d) Unwanted sound is called ___________ . (e) Shrillness of a sound is determined by the __________ of vibration.

Harshit Singh , 3 Years ago

Grade 12th pass