A star is moving towards the earth with a speed of 9.0 * 10^6 m/s. If the wavelength of a particular spectral line emitted by it is 6000 A

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A star is moving towards the earth with a speed of 9.0 * 10^6 m/s. If the wavelength of a particular spectral line emitted by it is 6000 A, then find the apparent wavelength.
11
Oct
A star is moving towards the earth with a speed of 9.0 * 10^6 m/s. If the wavelength of a particular spectral line emitted by it is 6000 A, then find the apparent wavelength. A star is moving towards the earth with a speed of 9.0 * 10^6 m/s. If the wavelength of a particular [...]
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