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प्रश्न
Explain the following:
Why a thick glass tumbler is likely to crack when hot water is poured in it?
एक पंक्ति में उत्तर
उत्तर
When hot water is poured into a thick glass tumbler, it generally cracks because on pouring hot water in the tumbler the inner surface heats up and expands more as compared to its outer surface. This unequal expansion between the two surfaces causes a strain and the tumbler cracks.
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