MCQOPTIONS
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MCQOPTIONS
| 1. |
A sphere of solid material of specific gravity 8 has a concentric spherical cavity and just sinks in water. The ratio of radius of cavity to that of outer radius of the sphere must be |
| A. | \[\frac{{{7}^{1/3}}}{2}\] |
| B. | \[\frac{{{5}^{1/3}}}{2}\] |
| C. | \[\frac{{{9}^{1/3}}}{2}\] |
| D. | \[\frac{{{3}^{1/3}}}{2}\] |
| Answer» B. \[\frac{{{5}^{1/3}}}{2}\] | |