The speed of sound in air is 332m/s. the speed of sound at 22oC will be:
- A.345.2 m/s✓
- B.340 m/s
- C.350 m/s
- D.330 m/s
Why A is correct
Speed of sound in air increases roughly by 0.6 m/s per °C from 0°C; V = 332 + 0.6×22 = 332 + 13.2 = 345.2 m/s. This gives option 345.2 m/s.