Are these statements about the thermal convection true?
Statement 1: Thermal convection depends on temperature gradient.
Statement 2: It does not depend on relative motion of the fluid.
a) True, False
b) True, True
c) False, True
d) False, False

Answer: a
Explanation: The properties of heat transfer by the convection between a body and its surrounding are 1. The convection takes place when there is temperature difference between two medium. 2. It depends on the relative motion of the fluid as convection takes place only when the medium has movement.