Subject :NSO Class : Class 9
A hollow cylinder of height 1 m whose both crosssections are closed with a membrane of negligible mass, just floats without sinking in a liquid of density 1.9 × 103 kg m-3. If the outer diameter and the density of the cylinder are 1 m and 104 kg m-3 respectively, then the inner diameter of the cylinder will be
A0.3 m
B0.5 m
C0.8 m
D0.9 m
Ans 1: (Master Answer)
Class : Class 1
The correct answer is D.