question_answer

The ratio of the coefficient of volume expansion of glass container to that of a viscous liquid kept inside the container is 1 : 4. What fraction of the inner volume of the container should the liquid occupy so that the volume of the remaining vacant space will be same at all temperatures?                                                   [JEE ONLINE 23-04-2013]

A)  2 : 5    

B)                   1 : 4

C) 1 : 64

D)                   1 : 8

Correct Answer: B

Solution :

[b] When there is no change in liquid level in vessel thenChange in volume in liquid relative to vessel