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AP EAMCET2007PhysicsWave Optics

In Huygen's eyepiece

Options

  1. Athe cross wires are outside the eyepiece
  2. Bcondition for achromatism is satisfied
  3. Ccondition for minimum spherical aberration is not satisfied
  4. Dthe image formed by the objective is a virtual image

Correct answer

B. condition for achromatism is satisfied

Step-by-step solution

Huygen eyepiece satisfies the conditions for elimination of the chromatic aberration as well as spherical aberration.

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