McqMate
Q. |
For removing the parallex, |
A. | the eye-piece should be focussed for distinct vision of cross-hairs |
B. | the image of the object should be brought in the plane of cross-hairs |
C. | either (a) or (b) |
D. | both (a) and (b) |
Answer» D. both (a) and (b) |
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