PHYSICS
JAMB 2014 - Question 25
Physics 2014 JAMB Past Questions - Question 25: Heat transfer by convection in a liquid is due to the
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
B
Explanation
As the liquid is heated, it expands and the volume increases, hence the density decreases and the molecules of the liquid rise up. there position is taking by cold, heavier/denser molecules. this sets up a convection current of warm rising molecules and cold descending dense molecules.
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