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Questions  

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
Pαβ
b
Pαβ
c
Pβα
d
αβP

detailed solution

Correct option is A

If coefficient of volume expansion is α and rise in temperature is ∆θ  then ∆V = Vα∆θ ⇒∆VV = α∆θVolume elasticity β = P∆VV= Pα∆θ⇒∆θ = Pαβ

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