Question

The absolute coefficient of expansion of a liquid is 7 times that the volume coefficient of expansion of the vessel. Then the ratio of absolute and apparent expansion of the liquid is

• A. $\frac{1}{7}$
• B. $\frac{7}{6}$
• C. $\frac{6}{7}$
• D. None of these

Answer 1

The correct option is B $\frac{7}{6}$

Apparent coefficient of Volume expansion $\gamma {}_{app.}$ = $\gamma {}_L$ - $\gamma {}_s$ = 7 $\gamma {}_s$ - $\gamma {}_s$ = 6$\gamma {}_s$(given $\gamma {}_L$ = 7 $\gamma {}_s$ )
Ratio of absolute and apparent expansion of liquid $\frac{{\gamma }_L}{{\gamma }_{app.}}=\frac{7{\gamma }_s}{6{\gamma }_s}=\frac{7}{6}$.