What are solar reflectors and solar conc...

What are solar reflectors and solar concentrators?

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Oceans are vast store of energy'' justify this statement
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What is meant by ocean thermal energy
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What are solar reflectors and solar concentrators?
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What are the constituents of coal gas ? State one use of coal gas.
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Give two examples of each : Fossil fuel
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What is the range of temperature which can be achieved in a box-type s...
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Name the device which directly converts solar energy into electrical e...
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What is biogas?
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What are the main constituents of biogas?
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Name the main component of biogas?
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What type of energy is possessed by huge waves near the seashore?
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What is tidal energy ? How is it harnessed ?
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Define energy?
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Define kinetic energy. Give its units and dimensional formula.
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What are fossils fuels ? Name any three fossil fuels.
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SOLAR ENERGY
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What is calorific value of a fuel? Write its units.
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Name the constitutents of biogas.
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Name any two materials used for making of solar cells.
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WIND ENERGY
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