The theodolites used for making tacheometric observations by optical wedge system, are (A) Provided with stadia hairs in front of eye piece (B) Not provided with stadia hairs at all (C) Fitted with a glass wedge inside the telescope (D) Fitted with a glass wedge in front of telescope

The theodolites used for making tacheometric observations by optical wedge system, are
(A) Provided with stadia hairs in front of eye piece
(B) Not provided with stadia hairs at all
(C) Fitted with a glass wedge inside the telescope
(D) Fitted with a glass wedge in front of telescope
by

1 Answer

Answer :

(D) Fitted with a glass wedge in front of telescope
by

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The ratio of the distances at which a stated length can be distinguished by the telescope and the human eye, respectively, is called (A) Brightness of telescope (B) Magnification of telescope (C) Resolving power of telescope (D) None of these

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