[" Considerrinencrencepandingsspherefity preusifust throughut the volume.Therate of fractional "],[" change in density "((1dp)/(dt))" isconstant.The velocity vofanypoint the surface of the expanding sphere "],[" isproportional to: "],[[" (A) "R^(" prime ")," (B) "(1)/(R)," (C) "R," (D) "R^(2" s ")]]

Consider an expanding sphere of instantaneous radius ? whose total mass remains constant. The expansion is such that the instantaneous density rho remains uniform throughout the volume. The rate of fractional change in density ((dp)/(rhodt)) is constant. The velocity v of any point on the surface of the expanding sphere is proportional to

Consider an expanding sphere of instantaneous radius ? whose total mass remains constant. The expansion is such that the instantaneous density rho remains uniform throughout the volume. The rate of fractional change in density ((dp)/(rhodp)) is constant. The velocity v of any point on the surface of the expanding sphere is proportional to

Two spheres of equal charge densities have charges in the ratio 1 : 4 on their surfaces Then the ratio of their volumes

The coefficient of volume expansion of glycerine is 49 xx 10^-5 ^@C^-1 . What is the fractional change in its density for 30^@C rise in temperature?

The coefficient of volume expansion of glycerin is 49xx10^(-5)K^(-1) . What is the fractional change in its density for a 30^(@)C rise in temperature ?

The value of coefficient of volume expansion of glycerin is 5 xx 10^-4 K^-1 . The fractional change in the density of glycerin for a rise of 40^@C in its temperature, is