question_answer

Two holes of unequal diameters \[{{d}_{1}}\] and \[{{d}_{2}}\]\[({{d}_{1}}>{{d}_{2}})\]are cut in a metal sheet. If the sheet is heated,

A)              both \[{{d}_{1}}\] and \[{{d}_{2}}\] will decrease

B)  both \[{{d}_{1}}\] and \[{{d}_{2}}\] will increase  

C)  \[{{d}_{1}}\] will increase, \[{{d}_{2}}\] will decrease

D)  \[{{d}_{1}}\]will decrease, \[{{d}_{2}}\] will increase