MHT CET 2025 Physics question
The length of the compound microscope is 15 cm. The magnifying power for relaxed eye is 25. If the focal length of eye lens is 6 cm then the object distance for objective lens will be
Answer: (B)
Solution
For a relaxed eye (final image at infinity) the intermediate image lies at the focus of the eyepiece, so the tube length is , giving cm. The magnifying power is with cm, so
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