The radii of curvature of a double convex lens are 10 cm and 10 cm. Its refractive index is 1.5. The focal length is ……………….
The radii of curvature of a double convex lens are 10 cm and 10 cm. Its refractive index is 1.5. The focal length is ……………….
A) 10 cm
B) 0.1 cm
C) 0.01 cm
D) zero
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