Q
The term ‘Blue Shift’ is used to indicate?
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A
A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.
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B
B. Turning a star from white to blue
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C
C. In future sun would become blue
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D
D. Black hole was blue at its start
Correct Answer:
A. A. Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.
