Ways of Waves

Level pending

How long will it take sound waves to travel a distance of 70m between two points P & Q, if the air temperature between them varies linearly from 16°C to 51°C? Consider the air to be an ideal diatomic gas of molar mass 29.05g/mol.(Gas Constant, R=8.3J/mol)

0.5 0.25 0.12 0.2

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