Question

The focal length of a concave mirror ecf is there any change in focal length when it is completed inmersed in water if not why?

Answer 1

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✖️The focal length of concave mirror is safe is there any change in focal length when it is completely immersed in water if not why✖️


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⭕️⭕️ are there is no change in medium then there is no change in focal length the incident angle and reflected angle are same on both Race for travelling in the same medium example water therefore focal length is independent medium⭕️⭕️

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