MCQOPTIONS
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| 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 \[1.5\times {{10}^{4}}m/s\] | |