Q. If source and observer both are relatively at rest and if speed of sound is increased then frequency heard by observer will
A) Increases
B) Decreases
C) Can not be predicated
D) Will not change
Explanation
(d) No change in frequency
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.