Sound Waves
The loss of sound energy depends on
the density of an object
the matter it is passing through
energy level of sound
resistance in a matter
the matter it is passing through
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Sounds with a high frequency which a human ear can detect are known asA. infrasound
B. ultrasounds
C. high sounds
D. low sounds
In one wavelength, wave passes through
A. one complete vibration
B. two complete vibrations
C. one and a half vibration
D. two and a half vibration
Sound moves in air because
A. temperature is passed on
B. humidity is passed on
C. pressure is passed on
D. heat is passed on
Light travels
A. slow than sound
B. fast than sound
C. at the same speed as of sound
D. at different speed as of sound
All musical instruments make
A. notes
B. rhythm
C. beat
D. vibration
The denser the solid, the
A. more the speed of sound
B. less the speed of sound
C. more clear the sound
D. less clear the sound
The mixture of high and low sounds is called a
A. rhythm
B. bass effect
C. beat effect
D. wow effect
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