Consider the following statements: At the present level of technology available in India, solar energy can be conveniently used to :
Consider the following statements:
At the present level of technology available in India, solar energy can be conveniently used to :
1. Supply hot water to residential buildings.
2. Supply water for minor irrigation projects.
3. Provide street lighting.
4. Electrify a cluster of villages and small towns.
(a) 1, 2, 3 and 4 are correct
(b) 2 and 4 are correct
(c) 1 and 3 are correct
(d) 1, 2 and 3 are correct
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(a) Solar energy, radiant light and heat from the sun, has been harnessed by humans since ancient times using a range of ever-evolving technologies. At present solar energy in our country is used for solar water heater. Solar lights that charge during the day and light up at night are a common sight along walkways.
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