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Objective Questions

                   1.  Choose the incorrect statement regarding wind power

                       (a)  its temperature increases
                       (b) larger amount of potential energy is  converted  into kinetic energy

                       (c)  the electricity content of water increases with height

                       (d)  more water molecules dissociate into ions.

                   2.  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.
                   3.  Hydro power plants convert ......... energy of falling water into electricity.



                       Subjective Questions:



                   4.  What is hydro power energy?
                   5.  How does hydrothermal energy work?

                   6.  What are 3 disadvantages of hydropower?
                   7.  What are 5 advantages of hydropower?

                   8.  What is wind energy definition?

                   9.  What are 3 benefits of wind energy?
                   10.  What are 3 disadvantages of wind energy?
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