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Question
Two rods A and B of the same metal, same length, but one solid and the other hollow, are heated to the same rise in temperature.
Options
the solid rod A expands more than the hollow rod B
the hollow rod B expands more than the solid rod A
the hollow rod B contracts, but the solid rod A expands
both the rods A and B expand the same.
Solution
both the rods A and B expand the same.
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