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A thin wire with heavy weights attached to both ends is hung over a block...

Physics
JAMB 2000

A thin wire with heavy weights attached to both ends is hung over a block of ice resting on two supports. If the wire cuts through the ice block while the block remains solid behind the wire, the process is called

  • A. condensation
  • B. sublimation
  • C. regelation
  • D. fusion
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Correct Answer: Option C
Explanation

Regelation occurs when ice is subjected to pressure, causing it to melt at the point of contact. When the pressure is removed, the melted water can refreeze. This phenomenon is commonly observed in scenarios where ice is under stress, such as when a wire is pulled through it with weights attached.

There is an explanation video available below.


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Explanation Video

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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