JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

1 Medium

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Analyzing +4 | -1

At some temperature

T,

a bronze pin is a little large to fit into a hole drilled in a steel block. The change in temperature required for an exact fit is minimum when

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Correct option: A

Only the block is heated

Option A (Only the block is heated) is correct because steel has a higher coefficient of expansion than bronze, so heating the steel block expands the hole more efficiently.

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