. A plano-convex lens when silvered in the plane side behaves like a concave mirror of focal length 30cm
However, when silvered on the convex side it behaves like a concave mirror of focal length 10 cm. Then the refractive index of its material will be
A. 3.0
B. 2.0
C. 2.5
D. 1.5
Best Answer
Ans: D
Related questions
