Surveying - Engineering
Q1: Cross hairs in surveying telescopes, are fittedA
in the objective glass
B
at the centre of the telescope
C
at the optical centre of the eye piece
D
in front of the eye piece.
ANS:D - in front of the eye piece. The cross hair is not a point that can place at the optical centre it is a diagram in the front of the eye piece.
Given Answer is correct because Crosshair is placed on an optical center of the diaphragm which is in front of an eyepiece. |
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