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प्रश्न
Solar energy is a non depleting energy. Justify.
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उत्तर
- Solar energy is the only viable fuel source of non – depleting nature for, Sun provides a free and renewable source of energy.
- It is a renewable type of energy without endangering the environment.
- It is the potential source to replace fossil fuel in order to meet the needs of the world. With the advancements in science and technology, solar energy has become more affordable, and it can overcome the energy crisis.
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संबंधित प्रश्न
What type of reactions occurring inside the sun produce solar energy?
What is the range of temperature which can be achieved in a box-type solar cooker in two to three hours?
What is a solar cell panel? For what purpose is it used? State its two main advantages.
Solar cells are made of:
(a) conductors
(b) insulators
(c) semi-conductors
(d) super-conductors
The radiations present in sunlight which make a solar cooker work are:
(a) visible light rays
(b) ultraviolet rays
(c) comic rays
(d) infrared rays
Which of the following solar radiations pass through the atmosphere of Earth: X -rays, ultraviolet rays, visible light rays or infrared radiation?
A silicon solar cell of dimension 1 sq.cm. generates a current of about ___________.
A silicon solar cell of dimension 1 sq.cm. generates __________ potential difference.
Distinguish between the following.
Electricity generation from solar cells and solar thermal power generation
Which one of the following forms of energy leads to least environmental pollution in the process of its harnessing and utilisation?
