Stunning Lens Maker Formula Diagram

Remember that K shape represents the shape of the lens which remains constant.

Lens maker formula diagram. It is so called because it is used by lens manufacturers to make lenses of particular power from the glass of given refractive index. The lens makers formula indicates that a convex lens can behave like a diverging one if m 1 m 2 ie if the lens is placed in a medium whose m is greater than the m of lens. This formula is called Lens-Makers formula.

Considering the refraction of a point object on the surface X P 1 Y the image is formed at I 1 who is at a distance of V 1. Frac1v-frac1ufrac1f Lens Formula Derivation. For a thin lens in air the distance from the lens to the spot is the focal length of the lens which is commonly represented by f in diagrams and equations.

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. B Draw a ray diagram to show the image formation by a concave mirror when the object is kept between its focus and the pole. Where is the focal length of the lens is the distance of the object from the lens and is the distance the image is formed from the lens.

O C 1 II C 2 1 P 1 P 2 I2 B E A D u1 v1 v2 r1 r2 t n1 t v1 n2 n1 SF027 52 By using the equation of spherical refracting surface the refraction by first surface AB and second surface DE are given by. Move the point named Focus to the right side of the lens to change to a concave lens. The power of a lens is given by the equation latextextPfrac1textflatex.

Lens makers formula. A Obtain lens makers formula using the expression Here the ray of light propagating from a rarer medium of refractive index n 1 to a denser medium of refractive index n 2 is incident on the convex side of spherical refracting surface of radius of curvature R. SF017 SF027 51 15 Thin Lenses Formula and Lens makers Equation Considering the ray diagram of refraction for 2 spherical surfaces as shown in figure below.

Simulation of image formation in concave and convex lenses. In this video learn how to derive lens maker formula for thin lens. The lens makers formula can be derived for a concave lens in the same way.