Question:
A sphere, a cube, and a thin circular plate, all of the same material and same mass are initially heated to same high temperature.
(a) plate will cool fastest and cube the slowest
(b) sphere will cool fastest and cube the slowest
(c) plate will cool fastest and sphere the slowest
(d) cube will cool fastest and plate the slowest
Solution:
The correct answer is (c) plate will cool fastest and sphere the slowest