Explain the construction and working of a solar cooker with a neat diagram.
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Solution
A solar cooker works on the principle that sunlight warms the pot, which is used for cooking food.
We use a solar cooker for cooking the food by using the energy radiated by the Sun.
Construction of solar cooker:
Step 1: Take a wooden box and make a box out of the aluminium sheet.
Step 2: Paint the inner side of the aluminium box with black paint.
Step 3: Place this box inside the wooden box
Step 4: Now, fix the mirror to the lid, and with the help of the hinges, fix the lid to the wooden box.
Step 5: Now, cover the box with a glass sheet.
Step 6: Now, to cook the food, paint the containers in which we wish to cook, and paint these utensils with black colour from the outside.
Step 7: Place these containers filled with food items inside the box.
Result:
The glass sheet helps in entrapping the heat inside the box and the mirror converges the light onto the box, heats it and the solar cooker is ready to cook the food.
