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- Classify the energy resources into conventional and non-conventional g...
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- When can we say that displacement has taken place ?
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- What should be taken into account for measuring work ?
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- Answer the following questions: Name the various forms of energy.
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- Describe natural chain of transformation of energy.
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- Why should we save energy ?
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- What is 'green energy' ?
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- What are the non- conventional energy resources ?
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- Which forms of energy from the sun are used in solar energy devices ?
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- Why should we maximize the use of non-conventional energy resources ?
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- Why do you get hungry after physical exercise ?
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- From where does our body get energy ?
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- Why do we get tired ?
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- In which form is energy stored in plant food ?
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- How is energy obtained from cooking gas ?
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- There is energy in every substance in the universe. It is present in n...
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