A sphere of solid material of specific gravity 8 has a concentric spherical cavity and…
Physics · JEE Main · NTA Exams — Properties of Solids and Liquids
A sphere of solid material of specific gravity 8 has a concentric spherical cavity and just sinks in water. Then, the ratio of the radius of the cavity to the outer radius of the sphere must be
- \(\frac{\sqrt[3]{3}}{2}\)
- \(\frac{\sqrt[3]{5}}{2}\)
- \(\frac{\sqrt[3]{7}}{2}\)
- \(\frac{2}{\sqrt[3]{7}}\)
Answer
(C) [3] 7 2
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