Two holes of unequal diameters 
and 
are cut in a metal sheet. If the sheet is heated:
A
Both 
and 
will decrease
and will decrease
B
Both 
and 
will increase
and will increase
C
will increase, 
will decrease
D
will decrease, 
will increase
Text Solution
Verified by ExpertsThe correct answer is:
B
When the sheet is heated both the holes 
and 
, increase in size because thermal expansion of an isotropic solid is very similar to a true photographic enlargement.
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