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Physics 10 Chapter 11 - Sound - 7
1.
What is the characteristic of sound called by which faint sounds can be distinguished?
a) Intensity
b) Pitch
c) Loudness
d) Quality
2.
Upon which of the following, loudness of a sound depends on?
a) Frequency of vibrating body
b) Amplitude of vibrating body
c) Intensity of vibrating body
d) Quality of vibrating body
3.
If amplitude of a sound increases, then what will be the effect on loudness of sound waves?
a) Always decreases
b) Decreases
c) Increases
d) Remains same
4.
If amplitude of a sound increases, then which of the following increases?
a) Loudness
b) Quality
c) Pitch
d) Intensity
5.
Which part of an electric bell vibrates to produce sound?
a) Armature
b) Air particles
c) Diaphragm
d) Strings
6.
Which part of an electric bell vibrates to produce sound?
a) Hammer
b) Diaphragm
c) Air particles
d) Strings
7.
Which part of a loud speaker vibrates to produce sound?
a) Diaphragm
b) Armature
c) Strings
d) Air particles
8.
Which part of a violin vibrates to produce sound?
a) Armature
b) Strings
c) Air particles
d) Diaphragm
9.
Which part of a piano vibrates to produce sound?
a) Air particles
b) Strings
c) Diaphragm
d) Armature
10.
Which of the following is the characteristic of sound that varies directly with the amplitude of the vibrating body?
a) Loudness
b) Intensity
c) Pitch
d) Quality
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