MCQOPTIONS
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MCQOPTIONS
| 1. |
The ratio of the weights of a body on the Earth's surface to that on the surface of a planet is 9 : 4. The mass of the planet is 1/9th of that of the Earth. If ‘R’ is the radius of the Earth, what is the radius of the planet?(Take the planets to have the same mass density) |
| A. | \(\frac{{\rm{R}}}{3}\) |
| B. | \(\frac{{\rm{R}}}{4}\) |
| C. | \(\frac{{\rm{R}}}{9}\) |
| D. | \(\frac{{\rm{R}}}{2}\) |
| Answer» E. | |