The coefficient of linear expansion of a crystal in one direction is and that in every direction perpendicular to it is . The coefficient of cubical expansion is :
None of these
The average kinetic energy of a gas molecule at 27o C is 6.21 x 10-21 J. Its average kinetic energy at 227o C will be
The coefficient of apparent expansion of a liquid in a copper vessel is C and in a silver vessel is S. The coefficient of volume expansion is . The coefficient of linear expansion of silver will be :
