A metal spoon is placed in one of two identical cups of hot coffee. Why does the cup with the spoon have a lower temperature after a few minutes ?
Energy is removed from the coffee mostly by conduction through the spoon.
Energy is removed from the coffee mostly' by convection through the spoon.
Energy is removed from the coffee mostly by radiation through the spoon.
None of these

Question

A metal spoon is placed in one of two identical cups of hot coffee. Why does the cup with the spoon have a lower temperature after a few minutes ?
Energy is removed from the coffee mostly by conduction through the spoon.
Energy is removed from the coffee mostly' by convection through the spoon.
Energy is removed from the coffee mostly by radiation through the spoon.
None of these

Toppr Admin · Accepted Answer