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Out of the total solar energy striking t...

Out of the total solar energy striking the periphery of earth, what fraction reaches its surface?

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Approximately half.
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ZEN PUBLICATION-SOURCES OF ENERGY-ZEN ADDITIONAL QUESTIONS SECTION ( VERY-SHORT-ANSWER IVSAI TYPE QUESTIONS )
  1. Name the process of large energy production in the sun.

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  2. What is the value of solar constant on earth?

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  3. Out of the total solar energy striking the periphery of earth, what fr...

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  4. Define ocean thermal energy.

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  5. What is bagasse?

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  6. Name any three forms of energy which could be harnessed from the Ocean...

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  7. Define geothermal energy

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  8. Define biomass. Give three examples.

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  9. Define anaerobic degradations.

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  10. What temperaturedifference between the surface water of an Ocean and i...

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  11. Why are black surfaces utilised for making solar cooker and solar wate...

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  12. What is a solar cell?

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  13. What is the main purpose behind the use of a mirror in a solar cooker ...

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  14. Name any two materials used for making solar cells.

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  15. State one advantage of harnessing energy from the sea [or oceans ].

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  16. Name the two devices that work using heat energy of the sun.

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  17. How does combustion of fossil fuels cause greenhouse effect?

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  18. Name the two major components present in the leftover slurry of a biog...

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  19. Name the major constituents of biogas and their approxinate percentage...

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  20. A student constructed a box-type solar cooker and covered it with a gl...

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