question_answer

Velocity of sound in air:

(I) increases with temperature

(II) decreases with temperature

(III) increases with pressure

(IV) is independent of pressure

(V) decreases with pressure

(VI) is independent of temperature

Choose the correct answer:

A)  Only I and II are true

B)  Only I and III are true

C)  Only I and V are true

D)  Only II and III are true

E)  Only I and IV are true