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Question-1
Sound travels at different speeds in:
(A)
Air
(B)
Different materials
(C)
Vacuum
(D)
Glass
Question-2
The maximum displacement of a vibrating body from its mean position is called:
(A)
Time period
(B)
Frequency
(C)
Amplitude
(D)
Displacement
Question-3
Sound travels very much faster in:
(A)
Solids than liquids
(B)
Liquids than solids
(C)
Gases than liquids
(D)
Gases than solids
Question-4
Which is produced due to regular and non - periodic vibrations?
(A)
Noise
(B)
Music
(C)
Reverberation
(D)
Echo
Question-5
In human beings, the sound is produced by the:
(A)
Ear drum
(B)
Ear tube
(C)
Voice box
(D)
Outer ear
Question-6
Speed of sound in air is:
(A)
100 m/s
(B)
330 km/s
(C)
330 m/s
(D)
343 m/s
Question-7
When we touch the ringing bell we can feel the:
(A)
Vibrations
(B)
Heat
(C)
Pressure
(D)
Air
Question-8
In which of the following does sound make vibrations to the inner ear?
(A)
Larynx
(B)
Voice box
(C)
Eardrum
(D)
Auditory nerve
Question-9
The number of oscillations per second is called:
(A)
Time period
(B)
Frequency
(C)
Amplitude
(D)
Vibration
Question-10
Which of the following is due to regular and periodic vibration?
(A)
Noise
(B)
Music
(C)
Echo
(D)
Reverberation
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Cambridge Secondary Grade 8
IGCSE
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