MCQ
Choose the correct statement.
- ✓For 1 °C rise in temperature, velocity of sound increases by 0.61 m/s.
- BFor 1 °C rise in temperature, velocity of sound decreases by 0.61 m/s.
- CFor $1^{\circ} C$ rise in temperature, velocity of sound decreases by $\frac{1}{273} m / s$.
- DFor $1^{\circ} C$ rise in temperature, velocity of sound increases by $\frac{1}{273} m / s$.
