NCERT Exemplar VI — task. Science CBSE, Class 10.

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Select the correct answer:

1. The power generated in a windmill

is more in rainy season since damp air would mean more air mass hitting the blades
depends on the height of the tower
depends on wind velocity
can be increased by planting tall trees close to the tower

2. Choose the correct statement

Sun can be taken as an inexhaustible source of energy
Waste from a nuclear power plant can be easily disposed off
Hydro and wind energy plants are non-polluting sources of energy
There is infinite storage of fossil fuel inside the earth

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