(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) Turning a star from white to blue (X)
(C) In future sun would become blue (X)
(D) Black hole was blue at its start (X)
(E) None of these (X)
Answers: The term ‘Blue Shift’ is used to indicate Doppler effect in which an object appears bluer when it is moving towards the observer or observer is moving towards the object.
