The temperature at which the speed of sound in air becomes double its value at 27°C is …….
A. 54°C
B. 327°C
C. 927°C
D. -123°C
Answer:C
The temperature at which the speed of sound in air becomes double its value at 27°C is …….
A. 54°C B. 327°C C. 927°C D. -123°C