A glass hemisphere (μ = 1.5) has a radius of curvature of 16 cm. A small object O is located on its axis halfway between the plane and spherical surface. The distance between two images, when viewed along the axis from

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Correct answer: C. (64)/(15) cm

When viewed from spherical side, (1)/(v1) + (3)/(2 × 8) = (1)/(2 × 16) ⇒ (1)/(v1) = (1)/(32) - (3)/(16) = (- 5)/(32) Image position is (32)/(5)cm inside the hemisphere from its periphery. And when viewed from plane side then image is at (16)/(3)cm inside the plane surface. ∴ Δ x = 16 - (16)/(3) - (32)/(5) = (64)/(15)cm

A glass hemisphere (μ = 1.5) has a radius of curvature of 16 cm. A...

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