Question-
Question-​ 1. The radius of curvature of the left & right surface of the concave lens are 10 cm & 15 cm respectively. The radius of curvature of the mirror is 15 cm. (A) equivalent focal length of the combination is -18 cm (B) equivalent focal length of the combination is +36 cm (C) the system behaves like a concave mirror (D) the system behaves like a convex mirror. air Glass (n=3/2) water 2. A plano-convex lens, when silvered at its plane surface is equivalent to a con

Dear student
the rays of light will suffers 2 times refraction from both lens and 1 time reflection from mirrorP=2P1+2P2+Pmirror    =2(32-1)(-110-115)+2(43-1)×215+215P=118-1fequivalent =118fequivalent= -18 cm Regards

  • 0
What are you looking for?