The part of box-type solar cooker which is responsible for producing greenhouse effect is :
(a) plane mirror reflector (b) black coating inside the box
(c) glass sheet cover (d) utensils placed in the cooker box

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Solution

(c) Glass sheet - is the answer.
The trapping of heat in the environment due to the presence of greenhouse gases like CO2, methane, water vapour etc is the greenhouse effect. This raises the temperature of the earth.
In the solar cooker the same process occurs, the sun rays are reflected by the mirror are trapped in the solar cooker by the glass plate (green house effect) and is used to heat the food.

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Q. Question 9
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The part of box-type solar cooker which is responsible for producing greenhouse effect is : (a) plane mirror reflector (b) black coating inside the box (c) glass sheet cover (d) utensils placed in the cooker box

The part of box-type solar cooker which is responsible for producing greenhouse effect is :
(a) plane mirror reflector (b) black coating inside the box
(c) glass sheet cover (d) utensils placed in the cooker box