Question

An iron cork is fitted in a hole on the brass plate. What will be happen to the cork if


i. only the cork is heated?

ii. only the iron plate is heated?

iii. both, the cork and the plate are heated equally?​

Answer 1

Answer:

Explanation:

On cooling, the brass disc, owing to greater coefficeint of expansion, would contract more than the iron plate thus making it easier to remove it