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Q.

Is it true that in solar cookers we use mirrors to defocus the rays of the sun?


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a

True

b

False 

answer is B.

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Detailed Solution

The solar cooker is a device that uses solar energy as a renewable source. In the solar cooker, we come across a mirror that is used to focus the sun’s rays on a given location. With this, there will be the generation of heat energy from solar energy. Thus, the given statement is false.
 
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