A metal washer has a hole of diameter d_(1) and an external diameter d_(2) such that d_(2) = 3d_(1). If on heating d_(2) increases by 0.3% then d_(1)

A metal washer has a hole of diameter d_(1) and an external diameter d

1.	A metal washer has a hole of diameter d_(1) and an external diameter d_(2) such that d_(2) = 3d_(1). If on heating d_(2) increases by 0.3% then d_(1)
Answer» DECREASES by 0.1 % decreases by 0.3% INCREASES by 0.1 % increases by 0.3% ANSWER :D