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
Which of the following may be different for two sounds having same pitch (frequency)?
a) pitch
b) graveness
c) loudness
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
How many factors affect the loudness of sound?
a) two
b) three
c) four
d) five
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