Question

fill in the blanks
1. Bimetallic strips. ....on heating ​

Answer 1

Answer:

expands

Explanation:

the bimetallic strip expands on heating

Answer 2

Bimetallic strips expand on heating

Reason- It is because metals are a good conductor and absorbers of heat (but not all metals are) and thermal expansion is the reason behind it.

All metals are not good conductors and absorbers of heat; that's why bimetallic strip experiment is done as to know their expansion property.

For example - Brass doesn't expand on heating but steel does