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प्रश्न
Solar energy is a renewable energy. How?
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उत्तर
Solar energy is renewable, free source of energy, that is sustainable and totally inexhaustible.
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संबंधित प्रश्न
Name some of the solar energy devices.
What type of reflector is used in a box-type solar cooker?
Explain why, a plane mirror reflector is used in a box-type solar cooker.
Write the uses of solar cells.
The part of box-type solar cooker which is responsible for producing greenhouse effect is:
(a) plane mirror reflector
(b) black coating inside the box
(c) glass sheet cover
(d) utensils placed in the cooker box
Solar cells are made of:
(a) conductors
(b) insulators
(c) semi-conductors
(d) super-conductors
A solar cooker may not cook food if
(a) the solar cooker is not placed in the shade
(b) the glass sheet cover of solar cooker is not closed
(c) a convex mirror reflector is not used
Two statements are given - one labelled Assertion (A) and the other labelled Reason (R).
Assertion (A): A solar cooker cooks the meal due to the greenhouse effect.
Reason (R): The plane mirror is responsible for producing the greenhouse effect.
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
Write a note on Kamuthi Solar Project.
