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CBSE Class 12-science Answered

For a spherical refracting surface define:a. Pole  b. Centre of curvature c. Principle axis
Asked by Topperlearning User | 21 May, 2014, 01:45: PM
answered-by-expert Expert Answer

a. Pole : Pole of a spherical refracting surface is the centre of the surface.

b. Centre of curvature: Centre of curvature of a refracting surface is the centre of the sphere of which this surface is a part.

c.Principle axis: The line passing through the pole and centre of curvature of spherical refracting surface, extended on either side is called the principle axis of the surface.

Answered by | 21 May, 2014, 03:45: PM

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