Multiple choice

Which of the following is called centre of curvature?

  1. The centre of a spherical mirror

  2. The centre of a hollow sphere of glass of which the spherical mirror is a part

  3. The portion of a mirror from which the reflection of light actually takes place

  4. The point on the principal axis where all the rays coming from infinity (parallel rays) after reflection either meet or appear to meet
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The centre of curvature of a spherical mirror is defined as the center of the hollow sphere of glass from which the mirror was originally cut.

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