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प्रश्न
State two disadvantages of using wind energy for generating electricity.
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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
The energy possessed by a body due to its position is called ________ energy.
Give one example of a body that has potential energy, in due to its state.
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
Give one relevant example for the following transformation of energy :
Chemical energy to light energy.
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
What do you understand by the kinetic energy of a body?
MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
Show that the quantity 2K/v2 has the unit of mass, where K is the kinetic energy of the body.
The major problem in harnessing nuclear energy is how to
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving bus
