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How long are the energy resources of the...

How long are the energy resources of the earth like coal, petroleum and natural gas expected to last ?

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LAKHMIR SINGH & MANJIT KAUR-SOURCES OF ENERGY -Very Short Answer Type Questions
  1. Write two forms in which solar energy manifests itself in sea.

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  2. What is the function of anaerobic micro-organisms such as anaerobic ba...

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  3. Fill in the following blanks with suitable words : (a) Biomass is ...

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  4. What type of nuclear reaction is responsible for the liberation of ene...

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  5. Which product of the nuclear fission of uranium-235 is utilised to cau...

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  6. Which particles bring about the fission of uranium-235 ?

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  7. State whether the fission of uranium-235 is caused by low energy neutr...

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  8. Name the type of nuclear reaction which is involved in the working of ...

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  9. Name the moderator used in a nuclear reactor.

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  10. Of what material are the control rods of a nuclear reactor made ?

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  11. What do you think is the purpose of the thick, concrete chamber surrou...

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  12. Where, in a nuclear power station, is uranium used up ?

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  13. State one use of nuclear fission reactions.

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  14. Which of the following is not an example of connecting link ?

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  15. How many MeV are equivalent to 1 atomic mass unit (u) ?

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  16. Fill in the following blanks with suitable words : (a) Splitting of...

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  17. Which of the two is a cleaner fuel : hydrogen or CNG ? Why ?

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  18. Which of the two is more energy efficient : filament type electric bul...

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  19. How long are the energy resources of the earth like coal, petroleum an...

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  20. Name two devices which can be utilised for the cooking of food so as t...

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