Question

If both the source of sound and observer are moving, the apparent frequency will be different from the actual frequency. True or False?

(a) True

(b) False

I got this question in unit test.

I'm obligated to ask this question of Waves topic in division Waves of Physics – Class 11

Answer 1

Right option is (b) False

Best explanation: If relative motion between source and observer is zero there will be no change in frequency heard by the observer. Apparent frequency only varies in case of relative motion. So the given statement is false.