An image is formed at a distance of 100 cm from a glass surface with refractive index 1 . 5 when a point object is placed in the air at a distance of 100 cm from the glass surface. What is the radius of curvature is of the surface?

Question

An image is formed at a distance of 100 cm from a glass surface with refractive index 1 . 5 when a point object is placed in the air at a distance of 100 cm from the glass surface. What is the radius of curvature is of the surface?, 20 cm, 40 cm, 30 cm, 50 cm

MARKS App · Accepted Answer

μ 2 V - μ 1 U = μ 2 - μ 1 R 1.5 100 + 1 100 = 1.5 - 1 R R = 20 cm

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