Question

The theodolite used for making tacheometric observations by optical wedge system are

Answer 1

Explanation:

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✔✔