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Image Formation by Spherical Lenses

Cross hairs i...

Question

Cross hairs in surveying telescopes are fitted

A

In the objective lens

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B

At the optical center of the eyepiece

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C

At the center of the telescope

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D

In front of the eyepiece

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Solution

The correct option is D In front of the eyepiece
Cross hairs in the telescope are fitted in front of the eyepiece.

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