The lens maker’s formula involves the focal length, refractive index of the material of the lens and the radius of curvature of the two surfaces of the lens. This formula is derived from the refraction of light on the two spherical surfaces of a lens. In Fig. refraction of light at the...
Optical power is defined as the degree to which a lens, mirror, or other optical system converges or diverges the light. Optical power is also referred to as dioptric power, convergence power, refractive power, or refractive power. It is equal to P = 1/ f. Dioptre Formula The Dioptre fo...