Assertion (A): Water at the foot of a waterfall is always at a different temperature from that at the top.
Reason (R): The potential energy of water at the top is converted into heat energy during the fall.
1
Both (A) and (R) are true and (R) is the correct explanation of (A)
2
Both (A) and (R) are true but (R) is not the correct explanation of (A)
3
(A) is true but (R) is false
4
(A) is false but (R) is true