Question

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.

Answer 1

(a) Time taken by an object to complete one oscillation is called time period. 

(b) Loudness is determined by the amplitude of vibration. 

(c) The unit of frequency is hertz (Hz). 

(d) Unwanted sound is called noise. 

(e) Shrillness of a sound is determined by the frequency of vibration.