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 = 3xx 10^(8) m cdot s^(-1) )

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

A source of frequency 1 kHz is moving towards a stationary observer with velocity of 0.9 times that of sound. What is the frequency heard by the observer ?

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

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

Calculate the frequency of yellow light of wavelength 550 nm. The speed of light is 3 xx 10^(8) ms^(-1) .

When the source is moving towards the stationary observer, the apparent frequency is given by