Question

reference of solar light​

Answer 1

Answer:

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Explanation:

solar light → It use the solar cells to recharge it's battery. Solar light mainly used where facility of electricity is not available. 2) solar water → water is heated with the heat of sun. In this system water passes with a long black pipe And, a concave mirror is focused at that point. to give more heat.

Answer 2

Solar-powered household lighting can replace other light sources like candles or kerosene lamps. Solar lamps have a lower operating cost than kerosene lamps because renewable energy from the sun is free, unlike fuel. In addition, solar lamps produce no indoor air pollution unlike kerosene lamps.