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Venkata chalapathi naidu
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Asked: 2024-05-27T22:22:37+05:30 In:

While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is

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While viewing through a level telescope and moving the eye slightly, a relative movement occurs between the image of the levelling staff and the cross hairs. The instrument is

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  1. Venkata chalapathi naidu
    Knowledge Contributor

    Parallax: It is the relative motion of the image with respect to the cross hairs when the image formed by the object- glass does not fall in the plane of the diagram. It is due to faulty focusing of the object- glass, it can be tested by moving the eye up or down.

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