What do you mean by linear expansion?

एक पंक्ति में उत्तर

Linear expansion is the increase in length of a solid on heating.

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अध्याय 5: Heat - Exercise [पृष्ठ २३०]

अध्याय 5 Heat
Exercise | Q 27 | पृष्ठ २३०

Define coefficient of linear expansion. Write its SI unit.

Do all substances expand on heating? Give examples.

What is a bimetallic strip?

Define coefficient of volume expansion.

Convert the following temperature into Celsius scale:
104^oF

Give a scientific reason for the following:
In winter the human body covered with a blanket keeps warm.

What is the relation between the latitudinal extent and temperature of a region?

Mention the three units which are used to measure the temperature.

While a substance is undergoing a change of state, the temperature of the body remains the same.