MHT CET 2025 Physics question

Physics Waves MHT CET 2025

At what speed should a source of sound move so that the observer finds the apparent frequency equal to half the original frequency?

(A)
(B)2V
(C)
(D)VCorrect

Answer: (D)

Solution

Taking V as the speed of sound, a source receding from a stationary observer at speed produces the apparent frequency . Setting gives , so

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-102637