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JEE Main 2024 Physics question

PhysicsRay Optics and Optical InstrumentsJEE Main 2024

The distance between object and its two times magnified real image as produced by a convex lens is 45 cm. The focal length of the lens used is cm.

Answer: 10

Solution

m = −2 gives v = −2u (v positive, u negative), and v − u = 45, so u =

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Question ID VK-017036