Question

what are morginal rays​

Answer 1

Marginal and Chief Rays.

1.7, the ray that passes from the center of the object, at the maximum aperture of the lens, is normally known as the marginal ray.

It therefore passes through the edge of the aperture stop. Conventionally, this ray is in the y-z plane, usually called the meridian plane.

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Answer 2

Explanation:

Marginal rays are the rays which passes through the maximum aperture of the spherical mirror. This means that they have a Max angle with the principal axis.

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