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Question

The radius of the sphere of which the reflecting surface of a spherical mirror forms a part, is called ...............

A
Centre of curvature
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B
Radius of curvature
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C
Focus
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D
Pole
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Solution

The correct option is B Radius of curvature
The radius of the sphere of which the reflecting surface of a spherical mirror forms a part, is called the radius of curvature of the mirror. Here, the distance R is the radius of curvature in the figure.

Answer-(B).

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