Q. If sound wave travel from air to water, which of the following remain unchanged?
A) Velocity
B) Wavelength
C) Frequency
D) Intensity
Explanation
(c) Frequency is that characteristic of sound waves which does not change while passing through boundary separating two media.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.