Velocity of sound in air at 20°C and 1 atm is 344.2 m/s
Velocity of sound at 40°C and 2 atm is ?
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Explanation:
Speed of sound in air is proportional to
T
Hence,
v1v 2
=T1T 2
⟹ 344.2v2
=273+20273+40
=356m/s
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