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Question

The apparent coefficient of expansion of liquid when heated in a copper vessel is C and when heated in a silver vessel is S. If A is the coefficient of linear expansion of copper, coefficient of linear expansion of silver is :

A
C+S3A3
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B
C+3AS3
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C
S+3AC3
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D
C+S+3A3
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Solution

The correct option is C C+3AS3
γr=γa+γg
Since γr is same for the liquid,
γS+3αS=γC+3αC
S+3αS=C+3A
αS=C+3AS3

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