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

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 )

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 )

An observer is moving with half the speed of light towards a stationary microwave source emitting waves at frequency 10 GhHz. What is the frequency of the microwave measured by the observer? (speed of light= 3xx10^(8)ms )

An observer is moving with half the speed of light towards a stationary microwave source emitting waves at frequency 10 GHz. What is the frequency of the microwave measured by the observer ? (Speed of light =3xx10^(8)ms^(-1))

An observer is moving with half the speed of light towards a stationary microwave source emitting waves at frequency 10 GhHz. What is the frequency of the microwave measured by the observer? (speed of light= 3xx10^(8)ms )

A reflector is moving with 20 ms^(-1) towards a stationary source of sound. If the source is producing sound waves of 160 Hz., then the wavelen of the reflected wave is (speed of sound in air is 340 ms^(-1) )

A wall is moving with constant velocity u towards a fixed source of sound of frequency f . The velocity of sound is v . The wavelength of the sound reflected by the wall is