A rocket is going away from the earth at a speed 0.2 c , where c = speed of light. It emits a signal of frequency `4 xx 10^(7)Hz` . What will be the frequency observed by an observer on the earth

A rocket is receding away from earth with velocity 0.2C. The rocket emits signal of frequency 4 xx 10^7 Hz . The apparent frequency of the signal produced by the rocket observed by the observer on earth will be

A rocket is moving away from the earth at a speed of 6 xx 10^(7) m//s . The rocket has blue light in it. What will be the wavelength of light recorded by an observer on the earth (wavelength of blue light = 4600 Å )

A rocket is moving away from the earth at a speed of 6 xx 10^(7) m//s . The rocket has blue light in it. What will be the wavelength of light recorded by an observer on the earth (wavelength of blue light = 4600 Å )

A rocket is going away from the earth at a speed of 10^(6) m/s. If the wavelength of the light wave emited by it be 5700 Å, what will be its Dopper,s shift

A star moves away from earth at speed 0.8 c while emitting light of frequency 6 xx 10^(14) Hz . What frequency will be observed on the earth (in units of 10^(14) Hz) (c= speed of light)

A rocket is going away from the earth at a speed of 10^(6) m/s . If the wavelength of the light wave emitted by a light source on it is 5400 Å , what will be its Doppler Shift ?