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प्रश्न
Complete the table.
| Limitations of Solar energy | Limitations of Wind energy |
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उत्तर
| Limitations of Solar energy | Limitations of Wind energy |
| Solar energy is difficult to employ. | Wind velocity necessary for wind-energy generation is not available everywhere |
| Solar energy cannot be used at night or on cloudy days. | The wind velocity at specific locations depends on many geographical factors |
| Solar energy is not available uniformly during the day time and at all the places on the earth. | Wind velocity is usually high on sea shores and therefore that environment is more appropriate for the installation of wind turbines |
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संबंधित प्रश्न
What is a solar cell? Draw the labelled diagram of a solar cell.
Write the uses of solar cells.
State the advantages and disadvantages of using solar cells.
Why is the solar cooker box covered with a glass sheet?
In order to make an efficient solar cooker, the cover of the cooker box should be made of:
A solar cooker may not cook food if
(a) the solar cooker is not placed in the shade
(b) the glass sheet cover of solar cooker is not closed
(c) a convex mirror reflector is not used
What differences would you expect in the charging of car batteries (i) in bright sunlight (ii) on a cloudy day (iii) at night?
Name one source of energy which is not derived from solar energy directly of indirectly.
Observe the connections of cells shown in the following images.
i. Which connection will give maximum potential difference?
ii. Give one advantage and one disadvantage of this energy.
Write a short note on electrical energy generation and environment.
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
The power produced from solar cells is a DC.
Complete the following flow chart.
Solar energy is a non depleting energy. Justify.
Choose the correct statement.
______ is considered as a great source of energy.
