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Science TNSB Mentoring
Class 10
Acoustics
Basics of Acoustics and Properties of Sound Waves
6.
Basics of acoustics
Question:
2
m.
Choose the correct answer
1
.
The time required to reduce the sound intensity to one-millionth of its initial value is called__________.
acoustics
reverberation
echo
2
.
The region in a sound wave with low pressure is called__________.
compression
rarefaction
both
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