Physics, asked by Settipallilalasa9, 6 months ago

What is the angle between paraxial rays and principle axis

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Answered by rashipriyasingh66
1

Answer:

A ray which makes a small angle (θ) to the optical axis of the system and lies close to the axis throughout the system. ... While both paraxial and marginal rays are parallel to the principal axis, the basic difference lies in the distance between them and the principal axis.

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