How is a solar cooker used to generate high temperature just 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.

Solar cookers achieve high temperature by using mirrors that reflect and focus the rays of the sun at a diminished area, thus increasing the intensity of heat.

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\begin{matrix} I . C o a t i n g s o l a r c o o k e r w i t h b l a c k p a i n t & a . C a u s e s g r e e n h o u s e e f f e c t i n s i d e t h e c o o k e r I I . C o n c a v e m i r r o r & b . A b s o r b s m o r e h e a t I I I . G l a s s s h e e t c o v e r i n g & c . C o n v e r g e h e a t a t o n e p o i n t \end{matrix}

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