Advertisements
Advertisements
प्रश्न
State two disadvantages of using wind energy for generating electricity.
Advertisements
उत्तर
Disadvantages of using wind energy:
1. The establishment of a wind farm is expensive.
A large area of land is needed for the establishment of a wind farm.
संबंधित प्रश्न
Fill in the blank
An object falling freely from the roof of a multistorey building has ________ and _________ energy when halfway down the building.
Give one relevant example for the following transformation of energy :
Chemical energy to light energy.
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
What is the main source of energy for earth?
State the energy transformation on the following:
Electricity is obtained from nuclear energy.
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
Explain the principle of working of the windmill for generating electricity.
State the energy transformation on the following:
Electricity is obtained from wind energy.
Show that in case of a body falling freely under gravity, total mechanical energy remains conserved (neglect air resistance).
You might have seen some beautiful fireworks during Diwali. It is an example of the transformation of ______ energy into ______ energy.
