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
Correct Answer: Is a bad conductor of heat so only inner surface expands
When hot liquid is poured into a thick glass tumbler, it cracks because glass is a bad conductor of heat so only inner surface expands.