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Find the focal length of Plano convex lens of radius r she R.I. μ when pagep surface is silvered and object is kept in front of curved surface. ..... I used formula : 1/fnet= -2/flens + 1/fm and got answer 2(1-μ)/r where as the answer is negative of what I got ... How???

Find the focal length of Plano convex lens of radius r she R.I. μ when pagep surface is silvered and object is kept in front of curved surface. ..... I used formula : 1/fnet= -2/flens + 1/fm and got answer 2(1-μ)/r where as the answer is negative of what I got ... How???

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

Please attach the question's image then the solution you thought so that approach and answer could be checked

Regards

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