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 it be `5700 Å`, what will be its Doppler's shift
A
`200 Å`
B
`19 Å`
C
`20 Å`
D
`0.2 Å`
Text Solution
Verified by Experts
The correct Answer is:
B
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