Question

Look at the adjacent diagram and choose the correct one from below. [ ]
A) X-Pole , Y - Centre of curvature, Z-principal axis
B) X-centre of curvature, Y- Pole, Z-principal axis
C) X-centre of curvature, Y-principal axis, 2 - Pole
D) X - Pole, Y-principal axis, Z-centre of curvature
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Answer 1

Answer:

A) x- pole,Y- centre of curvature,Z- principal axis

Answer 2

A ...

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