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प्रश्न
Solar energy is a renewable energy. How?
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.
Name the device which converts sunlight into electricity.
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
In a solar water heater, why is the storage tank placed at a higher lever than the solar panel containing coils?
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.
A silicon solar cell of dimension 1 sq.cm. generates a current of about ___________.
Give scientific reason.
Hydropower, solar energy and wind energy are called renewable energy.
Complete the following flow chart.
What is the disadvantage of solar energy?