Velocity of sound in air
(i) increases with temperature
(ii) decreases with temperature
(iii) increase with temperature
(iv) is independent of pressure
(v) is independent of temperature

Options

A. only (i) and (ii) are true
B. only (ii) and (iv) are true
C. only (i) and (iii) are true
D. only (i) and (iv) are true

Answer

D