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प्रश्न
Solar energy is a renewable energy. How?
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उत्तर
Solar energy is renewable, free source of energy, that is sustainable and totally inexhaustible.
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संबंधित प्रश्न
A solar water heater cannot be used to get hot water on
Why is the copper tube of a solar water heater painted black from outside?
Name that part of a box-type solar cooler which allow the sun's heat rays to enter the box but does not allow inside heat to go out.
Explain why, a plane mirror reflector is used in a box-type solar cooker.
Write the uses of solar cells.
The part of box-type solar cooker which is responsible for producing greenhouse effect is:
(a) plane mirror reflector
(b) black coating inside the box
(c) glass sheet cover
(d) utensils placed in the cooker box
Write a short note on electrical energy generation and environment.
Choose the correct statement.
How can solar energy be harnessed? Mention any two limitations in using solar energy. How are these limitations overcome?
Observe the figure and label it properly:
- What is the figure related to?
- Why are reflectors used?
- Draw a flow chart showing different stages in such a process.
- How is the process used to generate electricity?
- What other method can be used to generate electricity using the same energy source?
