Optics Question 818
Question: A piano convex lens fits exactly into a piano concave lens. Their plane surface are parallel to each other. If the lenses are made of different materials of refractive indices & and R is the radius of curvature of the curved surface of the lenses, then focal length of combination is
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: A
Solution:
[a]