The iron blade has a ring in which the wooden handle is fixed. The ring is slightly smaller in size than the wooden handle. The ring is heated . When the ring cools it _____ and tightly fits on the handle.
A
contracts
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B
expands
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C
evaporates
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D
condenses
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Solution
The correct option is A contracts The iron blade has a ring in which the wooden handle is fixed. The ring is slightly smaller in size than the wooden handle. The ring is heated and it becomes slightly larger in size (expands). The handle fits into the ring. When the ring cools it contracts and tightly fits on the handle.