Multiple choice

When hot liquid is poured into a thick glass tumbler, it cracks because glass

  1. has low temperature coefficient of expansion

  2. is a bad conductor of heat

  3. has high temperature coefficient of expansion

  4. has a very low specific heat

  5. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The inner glass layer expands when hot water is poured into it while the outer layer is still cool, hence the glass cracks.

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