Question

On heating, metal rim (a) expands (b) contracts (c) depends how much it is heated (d) remains unaffected​

Answer 1

Answer:

On heating, metal rim expands.

This is called expansion.

So the answer a) expands

Answer 2

Answer:

I think Expands is the correct answer

Explanations:

Because if we heat any object than that object gets expands.