Question

describe the construction of a box type solar cooker with the help of net diagram

Answer 1

 solar box consists of a box made of non-conducting materials like plastics, fiber glass or wood. The walls of the box are made thick so as to minimise loss of heat due to radiation and is painted all black from inside. The box is covered with a thick glass sheet, G. A plane mirror reflector, R is attached in the inside cover of the box. 
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Answer 2

it is a box made upper part of glass to entrap sunlight.and not allow sunlight go outside .
it has 4 black body inside it that does the work of trapping sunlight .
it is the best way to cook pollution free.

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