Write a note on solar cooker.
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SOLAR COOKER
-lt consists of thermally insulated box which is insulated from inside by glass wool .
-inner surface is coloured black because black colour is good absorber of heat.
-lt is doubled glass lid.
-the container in which food is cooked it is also coloured black.
-then the food is kept inside and the cooker is kept in sunlight.
-Mirror reflects the sunligt , sun rays fall on box where they absorbed and food get cooked.
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