Question

What are the common terms used in refraction through lense​

Answer 1

Terms related to lenses

Radius of curvature (R): The radius of sphere of which lens is a part.

Principal axis: Line joining the centre of curvatures of two lenses.

Optical centre (O): The point on the principal axis of a thin lens through which a ray of light passes undeviated.

Answer 2

Answer:

• Pole. The centre of the spherical refracting surface of the lens is called the pole. ...
• Optical Centre. The point on the principal axis at the centre of the lens is called Optical centre.
• Centre of Curvature. ...
• Principal axis. ...
• Aperture.

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