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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 1 > Chapter 13 - Fluid Mechanics > A sphere of solid material of specific gravity 8 has a concentric spherical cavity and just sinks in water. Then the ratio of radius of the cavity to the outer radius of the sphere must be

A sphere of solid material of specific gravity 8 has a concentric spherical cavity and just sinks in water. Then the ratio of radius of the cavity to the outer radius of the sphere must be

A sphere of solid material of specific gravity 8 has a concentric spherical cavity and just sinks in water. Then the ratio of radius of the cavity to the outer radius of the sphere must be