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Science CBSE Homework Assignments
Class 9
Sound
Property of sound and echo
1.
Properties of a sound in terms of amplitude and frequency
Question:
3
m.
Choose
the correct answer
:
1
.
The shrillness of a sound is determined by its
Vibration
Amplitude
Frequency
Time period
2
.
Which of the following sound is likely to have maximum frequency
Voice of a baby
voice of a man
Sound of a drum
Roar of a lion
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