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❥Why does a parabolic mirror not have spherical aberration?
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Answers
Answer:
Parabolic shape eliminates spherical aberration. Spherically shaped lenses and mirrors share a problem: their shape. Parallel light rays that bounce off the central region of a spherical mirror focus farther away than light rays that bounce off the edges.
Answer:
Parabolic shape eliminates spherical aberration. Spherically shaped lenses and mirrors share a problem: their shape. Parallel light rays that bounce off the central region of a spherical mirror focus farther away than light rays that bounce off the edges.
Light from the edge of the field is focused closer to the mirror along the optical axis than is light from the center of the field.A parabolic mirror does not suffer from spherical aberration and can focus all light to a single point.
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