Statement 1: Production of hydro electricity is one of the many uses of construction of dams.
Statement 2: Dam 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.

Statement 1 and Statement 2 are correct, statement 2 is not the correct 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 correct explanation of 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 correct explanation of 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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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. At a hydro power plant:

(a) kinetic energy possessed by stored water is converted into electrical energy
(b) electricity is extracted from water
(c) water is converted into steam to turn turbines and produce electricity.
(d) potential energy possessed by stored water is converted into electricity.

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.

Q. The height of water in a dam reduces by

20 m

, which is used to generate electricity. The water further fell by

10 m

into the tunnel to strike the turbine plates. If the volume of water is

10^{4} m^{3}

, find the hydel energy generated. Assume all the potential energy of the water being converted into electricity. Take

g = 10 m s^{- 2}

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: Production of hydro electricity is one of the many uses of construction of dams. Statement 2: Dam 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.

Statement 1: Production of hydro electricity is one of the many uses of construction of dams.
Statement 2: Dam 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.