Question

A seive mounted on rotatory disk with small amtitude is called a)ocillation b)brushing c) vibration d) gyration​

Answer 1

Answer:

Below are the right answers.

(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 a sound is determined by the Frequency of vibration