MCQOPTIONS
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| 1. |
Kepler s law of planetary motion states that the square of the time period is proportional to the |
| A. | semi-major axis |
| B. | square of the semi-major axis |
| C. | cube of the semi-major axis |
| D. | fourth power of the semi-major axis |
| Answer» D. fourth power of the semi-major axis | |