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(a) What is the difference between a the...

(a) What is the difference between a thermal power plant and a hydro power plant ?
(b) Which of the two causes serious air pollution and how ?

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The correct Answer is:
(b) Thermal power plant ; Emits harmful gases and fly-ash into the air
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LAKHMIR SINGH & MANJIT KAUR-SOURCES OF ENERGY -Exercise
  1. Name the device which converts sunlight into electricity.

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  2. Fill in the following blanks with suitable words : A solar cell co...

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  3. (a) What is the difference between a thermal power plant and a hydro p...

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  4. Compare and contrast fossil fuels and the sun as sources of energy.

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  5. What kind of mirror-concave, convex or plane-would be best suited for ...

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  6. What are the disadvantages of using a solar cooker ? Are there places ...

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  7. (a) What is a solar cell ? Draw the labelled diagram of a solar cell. ...

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  8. What are the disadvantages of using a solar cooker ? Are there places ...

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  9. (a) What is solar constant ? What is the value of solar constant ? ...

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  10. How has the traditional use of wind and water energy been modified for...

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  11. Name the clean fuel which can be obtained from cow-dung.

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  12. Name any three forms of energy which could be harnessed from the sea.

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  13. Write the full form of OTE.

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  14. What are the limitations of energy that can be harnessed from the sea ...

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  15. Which of the following is not an example of a biomass energy source ?

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  16. Most of the sources of energy that we use represent stored solar energ...

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  17. The constituent of biogas which makes it an excellent fuel is :

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  18. The major component of biogas is :

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  19. Which of the following is more environment friendly ?

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  20. Which one of the following is not renewable energy technology ?

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