# Screenshot_20190219-202144.pngThe 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 linear cofficient of expansion of copper then the linear cofficient of expansion of silver is :

S safeer

$\gamma _{r}= \gamma _{app}+\gamma _{vessel}$

for copper;$\gamma _{r}= c+3\: \alpha _{cu}=c+3A$

for silver; $\gamma _{r}= c+3\: \alpha _{Ag}=s+3\: \: \alpha _{Ag}$

$\Rightarrow c+3A=s+3\: \: \alpha _{Ag}$

$\: \alpha _{Ag}= \frac{c+3A-s}{3}$

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