The temperature at which speed of sound in air becomes double its value at 0 °C is ……………….
A. 546 °C
B. 819 °C
C. 273 °C
D. 1092 °C
Answer:B
The temperature at which speed of sound in air becomes double its value at 0 °C is ……………….
A. 546 °C B. 819 °C C. 273 °C D. 1092 °C