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.
(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.
(d) Unwanted sound is called noise.
(e) Shrillness of sound is determined by the frequency of the vibration.