Optics Question 685
Question: A plano-convex lens is made of refractive index of 1.6. The radius of curvature of the curved surface is 60 cm. The focal length of the lens is
[Pb. PET 2000]
Options:
A) 400 cm
B) 200 cm
C) 100 cm
D) 50 cm
Show Answer
Answer:
Correct Answer: C