Find the difference in temperature between the water at the top and the bottom of 20 m high waterfall assuming 10 \% of the energy of fall is spent in heating the water [Use specific heat capacity of…

Question

Find the difference in temperature between the water at the top and the bottom of 20 m high waterfall assuming 10 \% of the energy of fall is spent in heating the water [Use specific heat capacity of water =4000 J kg^-1k^-1 and g=10 m/s^2 ]

Accepted Answer

Correct answer: C. (c) According to question, Q=10 \% of U ⇒ ms T= mgh 0.1 ⇒ T= 0.1 ghS= 10 204000 10=0.005^ C

$Find the difference in temperature between the water at the top and the bottom of 20 m high waterfall assuming 10 % of the energy of fall is spent in heating the water [Use specific heat capacity of water = 4000 J kg^{- 1} k^{- 1} and g = 10 m / s^{2}]$

Solution

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