Question

The real expansion of a liquid is equal to the sum of its apparent expansion and the volume expansion of the vessel containing the liquid.Type 1 for true and 0 for false

Answer 1

A liquid is heated in a container, heat flows through the container to the liquid. This means that the container expands first due to which the level of liquid falls. When the liquid gets heated, it expands more and beyond its original value. We cannot observe the intermediate state. We can only observe the initial and final levels. This observed expansion of the liquid is known as the apparent expansion of the liquid and is less than its actual expansion.

On heating, the expansion of the liquid appears to be from $L_1$ to $L_2$. This is called the apparent expansion of liquid. But actually the liquid on heating has expanded from $L_2$ to $L_3$, this is called the real expansion of liquid.

The real expansion of liquid is always more than the apparent expansion of liquid.

The fall in the level of liquid from $L_1$ to $L_2$ is actually equal to the increase in in the volume of flask.

Expansion of liquid $=$ Apparent expansion of liquid $+$ Volume expansion of container.