High water fall is used for generating electricity. Water is falling from a 60 m height…
Physics · NEET · NTA Exams — Work, Energy and Power
High water fall is used for generating electricity. Water is falling from a 60 m height. Assuming \(2 \times 10^{5} \mathrm{~kg}\) of water falls per hour and 60% of gravitational potential energy can be converted into electrical energy. How many 100 W lamps can be lit per hour?
(\(\text { Take } \mathrm{g}=10 \mathrm{~m} / \mathrm{s}^{2}\)).
- 100
- 200
- 300
- Cannot be determined
Answer
(B) 200
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