Multiple choice

Which of the following options is not related to a spherical mirror?

  1. The centre of curvature lies behind the reflecting surface in the case of a convex mirror.

  2. In a spherical mirror of a small aperture, R = f.

  3. In a spherical mirror, pole is the centre of the mirror.

  4. The radius of curvature lies in front of a concave mirror.

  5. The focal length of a mirror is the distance between its pole and principal focus.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

For spherical mirrors of small aperture, R = 2f.

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