Match List-I with List-II and select the correct answer using the codes given below the lists:

List-I
(Terms)

List-II
(Definitions)

A. Telescope axis

P. It is the line joining the intersection of the crosshairs to the optical centre of the object-glass and its continuation.

B. Line of Collimation

Q. It is the operation of changing from free left to face right and vice versa.

C. Face left observation

R. It is the line joining the optical centre of the object-glass to the centre of the eyepiece.

D. Changing face

S. Setting the theodolite exactly over the station mark.

E. Centering

T. It is the reading taken when the instrument is in the normal or face left position.

Identify the correct match:

Question

List-I (Terms)	List-II (Definitions)
A. Telescope axis	P. It is the line joining the intersection of the crosshairs to the optical centre of the object-glass and its continuation.
B. Line of Collimation	Q. It is the operation of changing from free left to face right and vice versa.
C. Face left observation	R. It is the line joining the optical centre of the object-glass to the centre of the eyepiece.
D. Changing face	S. Setting the theodolite exactly over the station mark.
E. Centering	T. It is the reading taken when the instrument is in the normal or face left position.