Which among the following indicates the objective of adjusting level tube? Options: A . &nbspMaking horizontal axis truly horizontal B . &nbspLevelling the tube C . &nbspMaking vertical axis truly vertical D . &nbspMaking line of collimation perpendicular to vertical axis

Which among the following indicates the objective of adjusting level tube?

Question

Which among the following indicates the objective of adjusting level tube?

Options:

A . Making horizontal axis truly horizontal

B . Levelling the tube

C . Making vertical axis truly vertical

D . Making line of collimation perpendicular to vertical axis

Answer: Option C
Answer: (c).Making vertical axis truly vertical

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