Radius ratio and density of cell

The length , radius , tension and density of string A are twice the same parameters of string B . Find the ratio of fundamental frequency of B to the fundamental frequency of A .

The formula for determination of density of unit cell is

The ratio of density of nuciel of O^(16) and Ca^(40) is :

The ratio of escape velocity at earth (v_(e)) to the escape velocity at a planet (v_(y)) whose radius and density are twice

The specific gravity of a substance is the ratio of the density of the substance to the density of ____.

___________ of a substance is defined as the ratio of the density of the substance to the density of water at 4^0 C

The radius and density of two artificial satellites are R_(1),R_(2) an,d , rho_(1),rho_(2) respectively. The ratio of acceleration due to gravitation them will be

The ratio of escape velocity at earth (v_(e)) to the escape velocity at a planet (v_(p)) whose radius and mean density in twice as that of earth is