Wonderful Derive Lens Makers Formula.
Hence obtain the expression for lens-makers formula in the case of thin convex lens.
Derive lens makers formula.. Write the basic assumptions used in the derivation of lens makers formula and hence derive this expression. The above equations were derived on the assumption that the lens was immersed in air. Derivation of Lens Formula What is Lens Formula.
Lens formula is applicable for convex as well as concave lenses. Asked Oct 18 2019 in Physics by KumarManish 577k points cbse. The well-known equation for thin lens is.
The equations are also correct when the lens are immersed in any medium provided that n is interpreted as the relative index of the material of the lens with respect to the medium. This browser does not support the video element. Answered Derive lens maker formula 2.
1 f n L n m 1 1 R 1 1 R 2 n L n m 1 d n L R 1 R 2 However I can not find any derivation of it online. The focal length of a lens depends on the refractive index of the lens and the radii of curvature. Amansinha1253 amansinha1253 25092020 Physics Secondary School 5 pts.
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Watch 1 minute video. Derivation of Lensmakers formula. It is a relation between the focal length of a lens to the refractive index of its material and the radii of curvature of its two surfaces.