Explain the principles and working of solar cooker. Also highlight its features over conventional cooker. 

Solar cookers are devices that use solar energy to cook food. They are environmentally friendly and cost-effective alternatives to conventional cookers that run on fossil fuels. Solar cookers work on the principle of converting solar energy into heat energy, which is then used to cook food. There are different types of solar cookers, but they all have the same basic components: a reflector, an absorber, and a container to hold the food.

The principle behind solar cookers is the greenhouse effect. When sunlight enters the cooker through the glass or plastic cover, it gets absorbed by the absorber, which is usually made of black metal or glass. The absorber then converts the light into heat, which is retained inside the cooker by the glass or plastic cover. ______ __________ __________ _____ __________ ___ ________ __________ ______ ____ ____.
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