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 energy, and then to electrical energy.

Statement 1 and Statement 2 are correct, But statement 2 is not the reason for statement 1

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Statement 1 is correct and statement 2 is incorrect

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Statement 1 and statement 2 are correct , statement 2 is the reason for statement 1

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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 reason for statement 1

When the water is stored in the dam, it possesses potential energy. After the dam is opened, the water starts flowing downward towards the turbine. Therefore, potential energy is converted to kinetic energy. As the water hits the turbine, it forces turbine to rotate. The rotation of turbine produces electrical energy. So, potential energy of the dam is converted to electrical energy.

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Similar questions

Statement 1: Dams are constructed to produce hydel electricity.

Statement 2: Dam obstructs the flow of water and water level rises thereby increasing the potential energy which is further converted to kinetic and then to electric energy.

Q. Arrange the following steps in the conversion of hydel energy to electricity in a proper sequence.
(a) Released water is made to fall on the blades of the turbines.
(b) Water in the dam is released.
(c) Water is collected in the dam.
(d) Potential energy is converted to kinetic energy.
(e) The armature of the electric generator rotates to produce electricity.

Question 4
In a hydro power plant
(a) Potential energy possessed by stored water is converted into electricity.
(b) Kinetic energy possessed by stored water is converted into potential energy.
(c) Electricity is extracted from water.
(d) Water is converted into steam to produce electricity.

State whether the given statement is True or False.

As the water stored in the dam flows out, its kinetic energy changes to potential energy.

Statement 1: The turbine is used for generating electricity in thermal power plant, hydro power plant and geothermal power plant.

Statement 2: Because turbine converts one form of energy to mechanical energy which further produces electric energy.

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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 energy, and then to electrical energy.

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 energy, and then to electrical energy.