A concave mirror and a covex lens are held separately in water. what changes do you observe in their focal length?
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Answered by
1
Answer:
remains same
Explanation:
the focal length is remains same
Answered by
3
Answer:
Focal length of any mirror (concave) does not depend on medium, so it remains unchanged. If refractive index of the material of convex lens is greater than that of water, then its focal length will increase
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