Home
Class 12
PHYSICS
When source and detector are stationary ...

When source and detector are stationary but the wind is blowing at speed `v_W`, the apparent wavelength `lamda'` on the wind side is related to actual wavelength `lamda` by [take speed of sound is air as v]

A

`lambda^(1) = lambda`

B

`lambda^(1) = V_(w)/V lambda`

C

`lambda^(1) =(V_(W) + V)lambda/V`

D

`lambda^(1) = (V/(V-V_(W)))lambda`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A sound source and listener are both stationary and a strong wind is blowing. Is there a Doppler effect?

How are the wavelength and frequency of a sound wave related to its speed ?

How are the wavelength and frequency of a sound wave related to its speed ?

When source of sound moves towards a stationary observer, the wavelength of sound received by him

An observer is approaching with a speed v , towards a stationary source emitting sound waves of wavelength lambda_0 . The wavelength shift detected by the observer is ( Take c= speed of sound )

when a source of sound of frequency f crosses stationary observer with a speed v_(s) (lt lt speed of sound v) , the apparent change in frequency Δf is given by

When a centimeter thick surface is illuminated with light of wavelength lamda , the stopping potential is V. When the same surface is illuminated by light of wavelength 2lamda , the stopping potential is (V)/(3) . Threshold wavelength for the metallic surface is

A source of sound is travelling towards a stationary observer. The frequency of sound heard by the observer is 25% more that the actual frequency. If the speed of sound is v, that of the source is

The de Broglie wavelength lamda of an electron accelerated through a potential V in volts is

Speed of sound wave is v. If a reflector moves towards a stationary source emitting waves of frequency f with speed u, the wavelength of reflected waves will be