Science, asked by taufeek39, 1 year ago

the focal length of convex lens is 20cm with refractive index 3/2.what is the focal length of lens when it is dipped in water with refractive index 4/3?

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Answered by sindhu127s
17
this is your answer ok
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sindhu127s: its correct
sindhu127s: ok likho
sindhu127s: fair karna matlab
sindhu127s: ok
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