Question

14. A glass tumbler often cracks when very hot tea is
poured into it. This is due to the fact that
(A) The inner surface expands more as compared to
the outer surface due to heat
(B) Outer surface expands more than the inner surface
due to heat
(C) Outer surface contracts due to heat
(D) None of these.​

Answer 1

a

Explanation:

as because when temperature increases the body starts to expand and the n there is uneven expansion of inner surface and outer surface which leads it to break