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Question

Statement 1: Dams are constructed to produce hydro electricity.
Statement 2: Dams obstruct the flow of water and water level rises thereby increasing the potential energy which is further converted to kinetic and then to electric energy.

A
Statement 1 and Statement 2 are correct, statement 2 is not the correct reason for statement 1.
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B
Statement 1 is correct and statement 2 is incorrect.
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C
Statement 1 and statement 2 are correct , statement 2 is the correct reason for statement 1.
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D
Both statements are incorrect.
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Solution

The correct option is C Statement 1 and statement 2 are correct , statement 2 is the correct reason for statement 1.
Dams convert the kinetic energy of the flowing water into potential energy and that potential energy is converted into the electric energy. Hence dams are used to produce hydel energy (Electricity produced from hydropower plants is also known as hydel electricity).

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