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

a
C+S−3A3
b
C+3A−S3
c
S+3A−C3
d
C+S+3A3

detailed solution

Correct option is B

C=γabs−3α=γabs−3A             ....(1) S=γabs−3α                                   ....(2) ∴ C−S=3α−3A  or  α=(C−S+3A)/3

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