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
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a
Pαβ
b
Pαβ
c
Pβα
d
αβP
answer is A.
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Detailed Solution
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
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