Question 4 (d) Fill in the blank with a suitable word. Unwanted sound is called _______.
Unwanted sound is called noise.
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.
Question 4 (e) Fill in the blank with a suitable word. Shrillness of a sound is determined by the _______ of vibration.
Question 4 (a) Fill in the blank with a suitable word. Time taken by an object to complete one oscillation is called _________.