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14/12/2020 5:28 pm
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A student constructed a box type solar cooker. He found that it is not working efficiently. What could this be due to? Give any four possible mistakes that he could have made?
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14/12/2020 5:31 pm
The transparency of the glass plate must be checked.
The reflectance of the mirror is to be checked.
The black coating must be coated effectively.
The solar cooker must be placed in a way such that it faces the sun’s radiation.