Q.
Velocity of sound in air
I. increases with temperature
II. Decreases with temperature
III. Increase with pressure
IV. Is independent of pressure
V. Is independent of temperature
Choose the correct answer
A) Only I and II are true
B) Only I and III are true
C) Only II and III are true
D) Only I and IV are true
Explanation
(d) Speed of sound $v \propto \sqrt{T}$ and it is independent of pressure
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.