With reference to spherical lenses, state the meaning of the following terms or define the following terms and draw the diagrams to illustrate the same : (1) centre of curvature (C) (2) radii of curvature (R_(1),R_(2)) (3) principal axis (4) optical centre (O) (5) principal focus (F) (6) focal length (f)
Problems based on Lenses and Spherical refraction
Assertion : Spherical aberration occur in lenses of larger aperture. Reason : The two rays, paraxial and marginal rays focus at different points.
The polymer used for optical lenses is
Examples on Spherical Surface||Lens||Introduction||Types & names OF Lenses||Basic Definition||Lens Formula
