MCQOPTIONS
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MCQOPTIONS
| 1. |
One day on a spacecraft corresponds to 2 days on the earth. The speed of the spacecraft relative to the earth is [CBSE PMT 1993] |
| A. | \[1.5\times {{10}^{8}}m{{s}^{-1}}\] |
| B. | \[2.1\times {{10}^{8}}m{{s}^{-1}}\] |
| C. | \[2.6\times {{10}^{8}}m{{s}^{-1}}\] |
| D. | \[5.2\times {{10}^{8}}m{{s}^{-1}}\] |
| Answer» D. \[5.2\times {{10}^{8}}m{{s}^{-1}}\] | |