Why are concave mirrors used in solar devices? Answer the question.
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Because concave mirrors converge the rays which are parallel to the principal axis to a point called focus.
So all the light rays converge at a point to give high heat energy.
Hope this will help you!!!
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So all the light rays converge at a point to give high heat energy.
Hope this will help you!!!
☺☺ Keep smiling ☺☺
Ujjwal2018:
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