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A star is moving away from the earth with speed
v. Change in wavelength $d \lambda$ observed on earth is
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v. Change in wavelength $d \lambda$ observed on earth is
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Verified Answer
The correct answer is:
$\lambda v / c$
The Doppler shift in wavelength of light from star is given by
$d \lambda=\frac{\lambda v}{c}$
$d \lambda=\frac{\lambda v}{c}$
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