An external pressure \( P \) is applied on a cube at \( 0^{\circ} \...

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An external pressure \( P \) is applied on a cube at \( 0^{\circ} \mathrm{C} \) so that it is equally compressed from all sides. \( K \) is the bulk
\( \mathrm{P} \) modulus of the material of the cube and \( \alpha \) is its coefficient

W of linear expansion. Suppose we want to bring the cube to its original size by heating. The temperature should be raised by
[JEE (Main) 2017]
(a) \( 3 P K \alpha \)
(b) \( \frac{P}{3 o k} \)
(c) \( \frac{P}{o K} \)
(d) \( \frac{3 \alpha}{P K} \)
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