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Physics 10 Chapter 11 - Sound - 1
1.
What do the vibrations in any medium produce?
a) Waves
b) Magnetic lines
c) Voltage
d) Current
2.
What is produced by the vibrator of ripple tank?
a) Electronic waves
b) Water waves
c) Sound waves
d) Electromagnetic waves
3.
What is the study of sound called?
a) Acoustics
b) Electrostatics
c) Magnetism
d) Astrophysics
4.
What is acoustics?
a) Study of current
b) Study of charges at rest
c) Study of sound
d) Study of magnetic effects
5.
All sounds are produced by the ............................of objects?
a) None of these
b) Circulation
c) Vibration
d) Rotation
6.
What is the form of energy called that travels from one place to another in the form of pressure waves?
a) Sound
b) Light
c) Current
d) Heat
7.
In a guitar, how is sound produced?
a) By vibration of its strings
b) By rotation in strings
c) By circulation of strings
d) By vibration in surrounding air
8.
Which instrument is used by doctors to hear sound?
a) Endoscope
b) Light pipe
c) Stethoscope
d) Optical fibre
9.
Our voice is produced due to vibration of our..................?
a) Mouth
b) Lungs
c) Vocal chords
d) Oesophagus
10.
What do the vibrations of our vocal chords produce?
a) Heat
b) Sound
c) Current
d) Light
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