Q. 3

Which of the following (referred to a spherical mirror) do (does) not depend on whether the rays are paraxial or not?
A. Pole

B. Focus

C. Radius of curvature

D. Principal axis

Answer :

Pole, radius of curvature and principle axis of the spherical mirror are independent on whether the rays are paraxial or not. Only focus depends on the kind of rays.

Hence, option A, C and D are correct.

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