MCQOPTIONS
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MCQOPTIONS
| 1. |
A star emitting light of wavelength\[5896\,\,{AA}\]is moving away from the earth with a speed of 3600 km / sec. The wavelength of light observed on earth will [MP PET 1995, 2002] |
| A. | Decrease by\[5825.25\,\,{AA}\] |
| B. | Increase by\[5966.75\,\,{AA}\] |
| C. | Decrease by\[70.75\,\,{AA}\] |
| D. | Increase by \[70.75\,\,{AA}\] (\[c=3\times {{10}^{8}}m/\sec \]is the speed of light) |
| Answer» E. | |