Q. If the pressure amplitude in a sound wave is tripled, then the intensity of sound is increased by a factor of
A) 9
B) 3
C) 6
D) $\sqrt{3}$
Explanation
(a) Intensity $\propto (Amplitude)^{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.