MCQOPTIONS
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| 1. |
A star emits light of\[5500\,\,{AA}\]wavelength. Its appears blue to an observer on the earth, it means [DPMT 2002] |
| A. | Star is going away from the earth |
| B. | Star is stationary |
| C. | Star is coming towards earth |
| D. | None of the above |
| Answer» D. None of the above | |