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An external pressure P is applied o...

An external pressure P is applied on a cube at `0 ^(@) C ` so that it is equally compressed from all sides . K is the bulk modulus of the material of the cube and `alpha ` is its coefficient of linear expansion . Suppose we want to bring the cube to its original size by heating the temperature should be raised by

A

`( P)/( 3 alpha K)`

B

`(P ) /( alpha K)`

C

`( 3 alpha )/( PK)`

D

`3PK alpha `

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