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Draw a labelled diagtram of a box type s...

Draw a labelled diagtram of a box type solar cooker,also give its working and advantages

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MBD -HARYANA BOARD-SOURCE OF ENERGY-EXAMPLE
  1. What are the disadvantages of using a solar cooker ? Are there places ...

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  2. What are the environmental consequences of the increasing demand for e...

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  3. Draw a labelled diagtram of a box type solar cooker,also give its work...

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  4. With the help of a labelled diagram,describe how electricity is gnerat...

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  5. Describe a wind mili and give its functions?

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  6. What is a solar cell? What is its working principle? Write short note ...

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  7. What is solar cell panel?describe with the help of a suitable diagram.

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  8. How is solar panel prepared?explain with diagram

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  9. What is nuclear fission?Explain this phenomenon with the help of an ex...

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  10. What is nuclear fusion?explain this phenomenon with the help of an exa...

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  11. Describe the process by which energy is released by the sun.

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  12. Introduction to nuclear reactions | Nuclear fission and Nuclear fusion

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  13. What are fossils ?

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  14. What are fossil fuels?What will happen if fossil fuels are use up at a...

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  15. Why is L.P.G.considered an ideal fule?

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  16. State the advantages of the nuclear fusion reactions over nuclear fiss...

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  17. How is hydroelectricity generated at hydroelentirc power plant? Give i...

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  18. What is biogas? Give any four uses?

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  19. Give two reasons for using gobar (cow dung) in biogas plant.

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  20. Write the general principle involved in generating nuclear energy, Nam...

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