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  1. Asked: October 30, 2020In: Class 10

    What kind of mirror – concave, convex or plain – would be best suited for use in a solar cooker? Why?

    Physics Solution
    Added an answer on December 6, 2020 at 11:30 am

    A solar cooker uses heat of the sunlight to cook the food. A concave mirror is used in order to reflect and focus sunlight at a particular area. The mirror focuses all the incident sunlight at a point. The temperature at that point increases, thereby cooking and heating the food placed at that partiRead more

    A solar cooker uses heat of the sunlight to cook the food. A concave mirror is used in order to reflect and focus sunlight at a particular area. The mirror focuses all the incident sunlight at a point. The temperature at that point increases, thereby cooking and heating the food placed at that particular area.

    For more answers visit to website:
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-14/

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  2. Asked: October 30, 2020In: Class 10

    If you could use any source of energy for heating your food, which one would you use and why?

    Physics Solution
    Added an answer on December 6, 2020 at 11:25 am

    We shall use LPG/CNG gas or electricity for heating our food because these are efficient ways of supplying energy. Thermal efficiency of the energy source is large, there is less pollution and the source can be used easily. For more answers visit to website: https://www.tiwariacademy.com/ncert-solutRead more

    We shall use LPG/CNG gas or electricity for heating our food because these are efficient ways of supplying energy. Thermal efficiency of the energy source is large, there is less pollution and the source can be used easily.

    For more answers visit to website:
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-14/

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