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MHT CET Physics question

PhysicsRay Optics and Optical InstrumentsMHT CET

The focal length of concave lens is 30 cm. To form the image one-fifth of the size of object, object must be kept in front of the lens on its axis at a distance. [MHT-CET 2020]

Answer: (B)

Solution

Take , : , so

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Question ID VK-069501