1.

In a water-fall the water falls from a height of 100 m. If the entire K.E. of water is converted into heat, the rise in temperature of water will be        [MP PMT 2001]

A.            0.23°C    
B.            0.46°C
C.            2.3°C       
D.            0.023°C
Answer» B.            0.46°C


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