19. The pressure applied from all directions on a cube is P. How much its temperature should be raised to maintain the original volume ? The volume elasticity of the cube is
19. The pressure applied from all directions on a cube is P. How much its temperature should be raised to maintain the original volume ? The volume elasticity of the cube is β and the coefficient of volume expansion is α
(a) P/( αβ ) (b) (Pα) / β
(c) (Pβ) / α (d) (αβ) / P
Answer-a
(6)