Question

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

Answer 1

The correct option is C

1 : 1

Both listeners, hears the same frequencies.