How is high temperature achieved in solar power plant by the use of mirrors?

mirrors are used to reflect sunlight on the the cooker thus more heat.

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mirrors absorb more sunlight falling on the cooker thus more heat.

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mirrors diffuse light in all direction.

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none of these.

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Solution

The correct option is A
mirrors are used to reflect sunlight on the the cooker thus more heat.

Concave mirrors are used to converge the solar rays to their focus, where pipes carrying water are placed. These pipes are painted black in colour in order to increase the absorption of heat. The concentrated heat raises the temperature of water to its boiling point.

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