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MHT CET202124 Sep 2021Morning ShiftPhysicsRay OpticsActual

'Circle of least confusion' refers to which one of the following defects occurring in images formed by mirrors or lenses?

Options

  1. ADistortion
  2. BComa
  3. CAstigmatism
  4. DSpherical aberration

Correct answer

D. Spherical aberration

Step-by-step solution

'Circle of least confusion' refers to Spherical aberration occurring in images formed by mirrors or lenses.

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