Ray Optics and Optical Instruments

Question: In a plano-convex lens the radius of curvature of the convex lens is 10 cm. If the plane side is polished, then the focal length will be (Refractive index = 1.5)

1) 10.5 cm

2) 10 cm

3) 5.5 cm

4) 5 cm

Solution:

Explanation: No Explanation

Refraction at Curved Surface

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