Question

ssage-1:
Three diagrams are given each has equal radial of curvature of the curved surfaces. All the lenses
have refractive index L = 1.5.
I
0
R
S)
42. The ratio of focal lengths of P Q Ris
al 1 :-2:1
5:-1:21
c)-2:1:1


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Answer 1

Answer:

Explanation:

1:_2:1

Answer 2

Answer:

1:2:-1

Explanation:

ratio

of focal lengths

p:q:r