Question: The height of the dam, in a hydroelectric power station is 10m. In order to generate 1 MW of electric power, the mass of water (in kg/s) that must fall per second on the blades of the turbines
(A) 10^{6}
(B) 10^{5}
(C) 10^{3}
(D) 10^{4}
Answer: Option (D)
Solution:
