Question

Vinita thought to make a solar cooker and she shared her idea with Ankita. Ankita felt very excited that Vinita is using one of the renewable source of energy. Ankita suggested Vinita to use concave mirror instead of plane mirror as reflector to get the maximum heat. Vinita liked the idea of Ankita and thanked her for valuable suggestion. a) Why concave mirror is better than plane mirror for getting maximum heat? b) What values of Ankita and Vinita are shown here?

Answer 1

Answer:

(a) In concave mirror the sunlight will be spread to large area as compared to plane mirror

(b) Ankita and Vinita are using renewable source of energy

Explanation:

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Answer 2

Concave mirror is used when light is to be focused at a single point. In solar cookers, we want light (and heat) to be focused at the food. Thus, a concave mirror is better.

They are tginking about the betterment of our planet by using renewable energy. Ankita also shows us the value of helping our friends in doing good work.

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