Question

32. For a plano convex lens of material refractive index
u the curved surface of radius of curvature R has
been silvered as shown. It behaves like a concave
mirror of effective focal length
R?
D+E+D
Ri
2 + 1
afl fm
2x (4-1) / 2 - - -
zu-
R
R
(1) 2(4-1)
(2)
2u
R
(3)
R
44-2
2(u + 1​

Answer 1

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Answer 2

Explanation:

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