Contents

Loudness of Sound:

The loudness of a sound relates the intensity of any given sound to the intensity at the threshold of hearing. It is measured in decibels (dB).


Loudness of sound is the sensation produced by sound on our……..
a) brain 

b) vocal cord       

c) ear    

d) skin

c

Which of the following may be different for two sounds having same pitch (frequency)?
a) pitch 

b) graveness         

c) loudness

c

The property of sound which helps us to distinguish between a soft sound and a louder sound is called………..
a) pitch                                 

b) shrill
c) graveness                         

d) loudness

d

How many factors affect the loudness of sound?
a) two    

b) three                 

c) four

d) five

c

Explanation: 1. Amplitude of the wave,
2. Surface area of sound, 3. Distance from sound source and 4. Sensitivity of ear


Loudness of sound is related to which of the following factor/s?

a) pitch                                 

b) frequency
c) amplitude                        

d) time period

c