Q.

The distance between the centre of curvature and the pole is called :

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a

Radius of curvature

b

Principal axis

c

Focal length

d

Vertex

answer is C.

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Detailed Solution

  • The distance between the centre of curvature and the pole is called the radius of curvature. 
  • It is the radius of the sphere of which the spherical mirror is a part.Question Image

Therefore, the radius of curvature is the correct response.

 

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The distance between the centre of curvature and the pole is called :