Physics, asked by sangeethabaskarbds, 22 days ago

The maximum portion of the spherical surfaces from which refraction takes place is called the a. focal length of the lens. b. aperture of the lens. focus of the lens. d. optical centre of the lens ​

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Answered by itsplover4
0

Answer:

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Answered by PoojaBurra
1

The maximum portion of the spherical surfaces from which refraction takes place is called the aperture of the lens.

  • Focal length of a lens is the distance of the principal focus from the pole of the lens.
  • Aperture of a lens is the diameter of the periphery of the lens at which refraction takes place.
  • Principal focus of a lens is the point on the principal axis at which the light rays parallel to the principal axis after reflection from the lens actually meet or appear to come from.
  • Optical centre of a lens or the centre of curvature is the centre of the sphere of which the lens forms a part.
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