Q33 of 123 Page 253

How does loudness depend on the amplitude of vibrations?

Loudness is directly related to amplitude. If amplitude is high, then loudness is high. But if amplitude is low, then the loudness is low.


More from this chapter

All 123 →
31

What name is given to the maximum displacement of a vibrating body from its central position?

 32

If 125 oscillations are produced in 5 seconds, what is the frequency in hertz?

 34

By how much will the loudness of a sound change when the amplitude of vibrations is:

(a) doubled?


(b) halved?

 35

Name the unit used to measure the loudness of sound. Also write its symbol.