Question:

What is the distance between the focus and the pole of the mirror is known as?

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The focal length is crucial in determining how light will converge or diverge after reflecting from the mirror.
Updated On: Apr 28, 2025
  • Centre of Curvature
  • Focal length
  • Mirror number
  • Radius of curvature
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The Correct Option is B

Solution and Explanation

The distance between the focus and the pole of a mirror is called the focal length. It is the distance from the mirror’s surface to its focus. The radius of curvature, on the other hand, is the distance from the mirror’s surface to its center of curvature, which is twice the focal length. Thus, the correct answer is (b) Focal length.
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