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???

Shivang kohli , 6 Years ago

Grade 11