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MBD -HARYANA BOARD-SOURCE OF ENERGY-EXAMPLE
- 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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- What is biomass? Write its uses
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- Which type or mirror is most suitable in the device shown in figure be...
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