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NEET 2002 Physics question

PhysicsWave OpticsNEET 2002

Diameter of human eye lens is 2 mm. What will be the minimum distance between two points to resolve them, which are situated at a distance of 50 meter from eye. The wavelength of light is 5000 Å :

Answer: (3)

Solution

The limit of resolution of the eye (lens diameter ) corresponds to an angle . For two points a distance apart at a distance , . So \dfrac{λ D}{d}\dfracExtra open brace or missing close brace{5000 × 10^{-10}$

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Question ID VK-088948