Question
Question: If the shift of wavelength of light emitted by a star is towards violet, then this shows that star i...
If the shift of wavelength of light emitted by a star is towards violet, then this shows that star is.
A
Stationary
B
Moving towards earth
C
Moving away from earth
D
Information is incomplete
Answer
Moving towards earth
Explanation
Solution
Shifting towards ultraviolet region shows that Apparent wavelength decreased. Therefore the source is moving towards the earth.