Question

The angle between the paraxial ray and prinicipal axis is

Answer 1

Answer:

principal axix..

each of three mutually perpendicular axes in a body about which the moment of inertia is at a maximum.

each of three mutually perpendicular axes in a body about which the moment of inertia is at a maximum.another term for optical axis.

paraxial ray....

the paraxial approximation is a small-angle approximation used in Gaussian optics and ray tracing of light through an optical system. A paraxial ray is a ray which makes a small angle to the optical axis of the system, and lies close to the axis throughout the system.

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Answer 2

Answer:

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