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| Q. |
When hot liquid is poured into a thick glass tumbler, it cracks because glass – |
| A. | is a bad conductor of heat so only inner surface expands |
| B. | has high temperature coefficient of expansion |
| C. | has a very low specific heat |
| D. | has low temperature coefficient of expansion |
| Answer» A. is a bad conductor of heat so only inner surface expands | |
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Explanation: When hot liquid is poured into a thick glass tumbler, it cracks because glass is abad conductor of heat so only inner surface expands. |
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