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प्रश्न
Read the information given below and solve the questions based on it.
Electric energy is produced in various ways like hydroelectric, wind power, Solar energy, bio-fuel, etc. These energy sources are inexhaustible, sustainable. Besides, it does not cause any environmental problem.
i. Above information is about which type of energy?
ii. Whether the fossil fuel is an example of this energy?
iii. Draw the flow chart of production of electric energy.
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उत्तर
i. Above information is about‘ green energy’
ii. Fossil fuel is not an example of green energy.
iii. 
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संबंधित प्रश्न
There are four fuels which all contain only carbon and hydrogen. The fuel having highest calorific value will be one which has:
(a) more of carbon but less of hydrogen
(b) less of carbon but more of hydrogen
(c) equal proportions of carbon and hydrogen
(d) less of carbon as well as less of hydrogen
What type of energy is possessed by flowing water?
Flowing water can rotate a turbine. Which type of energy is used up by the turbine?
The harnessing of which of the following leads to the destruction of large eco-systems?
(a) thermal power
(b) tidal power
(c) hydro power
(d) geothermal power
The harnessing of which of the following leads to the destruction of large eco-systems?
(a) thermal power
(b) tidal power
(c) hydro power
(d) geothermal power
Describe the working of a hydrogen bomb.
What is common between the sun and a hydrogen bomb?
Which of the two is a cleaner fuel: hydrogen of CNG? Why?
Explain the difference between conventional and non-conventional sources of energy.
Give scientific reasons:
Hydroelectric energy, solar energy and wind energy are called renewable energies.
Give scientific reasons:
It is possible to produce energy from mW to MW using solar photovoltaic cells.
Give your opinion about whether hydroelectric plants are environment friendly or not?
Draw a neat and labelled diagram of energy transformation in solar thermal electric energy generation.
Find an odd one out.
Major hydroelectric power plants in India
Complete the table.
| Advantages of hydroelectric power plant | Disadvantage of hydroelectric power plant |
Hydropower plants are located in the ____________.
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because ______.
