1.

The wavelength of light observed on the earth, from a moving star is found to decrease by 0.05%. Relative to the earth the star is                                                          [MP PMT/PET 1998]

A.            Moving away with a velocity of \[1.5\times {{10}^{5}}m/s\]
B.            Coming closer with a velocity of \[1.5\times {{10}^{5}}m/s\]
C.            Moving away with a velocity of \[1.5\times {{10}^{4}}m/s\]
D.            Coming closer with a velocity of \[1.5\times {{10}^{4}}m/s\]
Answer» C.            Moving away with a velocity of \[1.5\times {{10}^{4}}m/s\]


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