Q. A source of sound emits waves with frequency $f\ Hz$ and speed $V\ m/sec.$ Two observers move away from this source in opposite directions each with a speed $0.2\ V$ relative to the source. The ratio of frequencies heard by the two observers will be

A) $3\ :2$
B) $2\ :3$
C) $1\ :1$
D) $4\ :10$
Explanation

(c) Both listeners, hears the same frequencies

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.

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