Question

APPLICATIONS OF EXPANSION OF LIQUIDS
Condition for unoccupied volume present in a continer containing liquid to remain constant
The un occupied volume or volume of air present in the vessel will be constant only when both
container and liquid have sane thermal expansion. (or) same increase in volume
un ocupied
volume
Liquid
let V and V, are volumes of container and liquid. Also y, and y, are co-efficients of expansion of
container and liquid respectively.


Can anyone explain this

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Answer 1

Explanation:

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Answer 2

Answer:

In order to have same empty space the expansion, the total expansion of liquid must be equal to the the total expansion of vessel. So  that the difference will remain the same.

Let the volume of vessel be V and liquid be v.

Empty space e=V−v

Now their volume is increases by x, so volume of container is V+x and liquid is v+x.

Empty space  f=V+x−(v+x)=V−v=e   

Hope it helps you!!