Question
A spaceship is receding from the earth at a speed of 0.3c. A light on the spaceship emits light of wavelength λ = 4500 Å which appears blue to a passenger on the spaceship. What colour would the light appear to a person on earth?
Answer :
Word Count : 74
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___ _____.
Skip in 10
We know,
Where,
λ’ = wavelength of light with respect to earth
___ __________ __________ _______ ______ ____ _____.
____ ______ ________ _____ ______ ________ ______ ________.
_________ _____ ___ _______ __________ ___ __________ ____ ____ _____ __________ _______.
_____ __________ _________ __________ ____ ____ ___ ______ _______ ______ __________.
________ _____ ____ _____ ______ ______ _____ ______ ____ ___ _____.
___ _____.
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