Question

17. Water falls from a height 500 m. What is the rise in temperature of water at bottom if whole energy remains
in the water ?
(1)
0.96°C
(2)
1.02°C
(3)
1.16°C
(4)
0.23°C​

Answer 1

Answer:

E = mgh = 1 kg * 9.81 m/sec^2 * 500 m = 4,905 Joules/litre

The specific heat of liquid water is -

4,180 Joules/(kg K)

So, this is 4905/4180 = 1.173445 degrees C .

Explanation:

your answer will be (3) 1.16 degree

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