Prateek's mother decided to cook food in a solar cooker. She used a concave mirror while designing the solar cooker. What could be the possible reason for this?

Sun rays diverge and increase the area of projection.

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Sun rays converge and focus on one single point.

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Sun rays are completely absorbed by the mirror.

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Sun rays get reflected parallel to each other.

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Solution

The correct option is B Sun rays converge and focus on one single point.

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Similar questions

Prateek's mother decided to cook food in a solar cooker but she found that food cannot be cooked in that solar cooker. What might be the reason for the same?

Q. A solar cooker may not cook food if

(a) the solar cooker is not placed in the shade
(b) the glass sheet cover of solar cooker is not closed
(c) a convex mirror reflector is not used
(d) the food containers of insulting material are not used

Q. What kind of mirror-concave, convex or plane-would be best suited for use in a solar cooker? Why?

Q. A _______ mirror is used for converging solar radiation in solar cookers to generate heat.

Q. A solar cooker is made up of a concave mirror. Which of the following explains the working of such a solar cooking?

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