Tea cups are often coated to prevent heat loss by?

Question

Tea cups are often coated to prevent heat loss by

(a) Convection
(b) Conduction
(c) Reflection
(d) Radiation


Please explain your answer

Answer 1

b .conduction
if you want to prevent cold loss then you put a reflector like in thermos flask to prevent radation. In you question you asked only to prevent heat loss and hence preventing heat lost through radiation alone suffice because thats the only way heat could be lost.

Answer 2

Oh guy, I do this each and every of the time! Esp whilst i'm busy. i'm going to get a cup, paintings, then comprehend it relatively is chilly, re-warmth it, drink a million/2 and do the cycle throughout. now and lower back i think of, "i choose a cup" and visit warmth one up, and that i see a cup I put in the microwave hours in the past.