A solid cube is first floating in a liquid. coefficient of linear expansion of cube is α and coeffi

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10-1.Thermometry, Thermal Expansion and Calorimetry

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A solid cube is first floating in a liquid. The coefficient of linear expansion of cube is $\alpha$ and the coefficient of volume expansion of liquid is $\gamma$. On increasing the temperature of (liquid + cube) system, the cube will sink if

A

$\gamma=3 \alpha$

B

$\gamma > 3 \alpha$

C

$\gamma < 3 \alpha$

D

$\gamma=2 \alpha$

Solution

(b)

Cube will sink if expansion in liquid upon heating is more than that of cube or $3 \alpha < \gamma$

Standard 11

Physics

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