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The objective and the eye-piece of a mic...

The objective and the eye-piece of a microscope have focal lengths of `0.02`m and `0.04`m, respectively and are placed `0.15`m apart. If the final image is situated `0.25`m from the eye-piece, how far must the object be from the objective?

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The correct Answer is:
`0.0242m`
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NN GHOSH-OPTICAL INSTRUMENTS-EXERCISES
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  2. The objective and the eye-piece of a microscope have focal lengths of ...

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  3. A compound microscope consists of two convex lenses of focal lengths 0...

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  4. The focal lengths of the objective and eye piece of an astronomical te...

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  5. An astronomical telescope in normal adjustment has a tube length of 93...

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  6. A telescope has two convex lenses of focal lengths 10 cm and 1 cm. If ...

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  7. A simple astronomical telescope is designed using two convex lenses of...

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  8. A telescope consisting of two convex lenses of focal lengths 0.20m and...

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  9. The focal lengths of the objective and the eye-piese of an astronomica...

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  10. A Galilean telescope of 10-fold magnification has the length of 45 cm...

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  11. The objective of a telescope focussed for infinity is taken out and re...

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  12. A telescope with magnification M = 15 was submerged in water so that t...

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  13. A Huygens eye-piece is made by arranging two planoconvex lenses of foc...

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  14. An eye-piece is constructed by using two thin lenses of focal lengths ...

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  15. An eye-piece consists of a concave lens of focal length 2f and a conve...

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  16. You given two planoconvex lenses of focal lengths 0.03m and 0.05m and ...

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  17. Two thin converging lenses of focal length 0.05m are separted by a dis...

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  18. Two convex lenses of focal lengths 2f and f are arranged to from an ey...

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  19. A student with defective eye-sight cannot see clearly anything that is...

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  20. A person's range of distinct vision is from 6 cm to 60 cm from the eye...

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