The velocity of sound in air at 20 °C and 1 atm pressure is 344.2 m/s. At 40 °C and 2 atm pressure, the velocity of sound in air is approximately. - VgyanHub

Question:

The velocity of sound in air at 20 °C and 1 atm pressure is 344.2 m/s. At 40 °C and 2 atm pressure, the velocity of sound in air is approximately.

Options :

(a) 350 m/s
(b) 356 m/s
(c) 363 m/s
(d) 370 m/s

Answer :

(b) 356 m/s

Answer Steps :

step 1

step 2

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