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electronics and communication engineering communication systems
1. If velocity of sound waves in air at 0°C is 330 m/s, the velocity at 40°C is about
(A): 330 m/s
(B): 334 m/s
(C): 353 m/s
(D): 380 m/s
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By: guest on 01 Jun 2017 11.49 pm
or v = 353 m/s.
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