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Q.
Velocity of sound in air
1. Decreases with temperature
2. Increases with temperature
3. Increases with pressure
4. is independent of pressure
5. is independent of temperature
Which of the above are true?
(a)2 and 3
(b)1, 2 and 3
(c)2 and 4 Right sign
(d)1, 2, 3 and 4
Details:NA
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