Write two precautions to be taken while finding the focal length of the concave mirror
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1 . rays should passs through correct center or points(i.e. optic center or focus)
2.your line representing rays should be straight and u should tell the nature of image
2.your line representing rays should be straight and u should tell the nature of image
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Two precautions should need to followed while finding focus of the concave mirror are as follows :
1. Image should be formed point sized.
2. Object should need not be larger.
Even we are supposed to take average of atleast three focal lengths of a mirror.
1. Image should be formed point sized.
2. Object should need not be larger.
Even we are supposed to take average of atleast three focal lengths of a mirror.
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