In the spectrum of light of a luminous heavenly body the wavelength of a spectral line is measured to be 4747 Å while actual wavelength of the line is 4700 Å. The relative velocity of the heavenly body with respect to earth will be (velocity of light is $3 imes {10^8}m/s$)

Question

In the spectrum of light of a luminous heavenly body the wavelength of a spectral line is measured to be 4747 Å while actual wavelength of the line is 4700 Å. The relative velocity of the heavenly body with respect to earth will be (velocity of light is $3 	imes {10^8}m/s$)

Accepted Answer

$3 	imes {10^6}m/s$ moving away from the earth

Answer

$3 	imes {10^5}m/s$ moving towards the earth

Answer

$3 	imes {10^5}m/s$ moving away from the earth

Answer

$3 	imes {10^6}m/s$ moving towards the earth

wave-optics

Question: In the spectrum of light of a luminous heavenly body the wavelength of a spectral line is measured to be 4747 Å while actual wavelength of the line is 4700 Å. The relative velocity of the heavenly body with respect to earth will be (velocity of light is $3 \times {10^8}m/s$)

wave-optics

Question: In the spectrum of light of a luminous heavenly body the wavelength of a spectral line is measured to be 4747 Å while actual wavelength of the line is 4700 Å. The relative velocity of the heavenly body with respect to earth will be (velocity of light is $3 \times {10^8}m/s$)

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