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Physics - Questions and Answers
Q.
The velocity of sound in air is affected by change in the
1. moisture content of air
2. temperature of air
3. composition of air
4. atmospheric pressure
Choose the correct answer.
(a)
1, 2 and 3
(b)
2, 3 and 4
(c)
1, 2 and 4
(d)
1, 3 and 4
Details:
NA
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