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The radii of curvature for a thin convex lens are 10 cm and 15 cm respectively. The focal length of the lens is 12 cm. T…

Q1

The radii of curvature for a thin convex lens are 10 cm and 15 cm respectively. The focal length of the lens is 12 cm. The refractive index of the lens material is:

a

\(1.2\)

b

\(1.4\)

c

\(1.5\)

d

\(1.8\)

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