Outrageous Prove Mirror Formula
Consider a ray of light AB parallel to the principal axis incident on a spherical mirror at point B.
Prove mirror formula. It can be explained as the relation between the distance of an object the distance of an image and the focal length of the mirror. Share with your friends. For paraxial rays MP can be considered to be a straight line.
Second Formula for Magnification There is another formula of magnification Note. Mirror formula is the relationship between object distance u image distance v and focal length. An expression showing the relation between object distance image distance and focal length of a mirror is called mirror formula.
In figure triangles and ENF are similar. The image distance is equal to the object distance and the image is on the back side of the plane mirror. Assumptions and Sign conventions To derive the mirror formula following assumptions and sign conventions are made.
- If magnification m is positive It means image formed is virtual and erect If magnification m is negative It means image formed is real and inverted Questions Example 101 - A convex mirror used for rear-view on an automobile has a radius of curvature of 300 m. There is a relationship between object distance image distance and focal length of spherical mirror concave mirror or convex mirrorThis relationship is given by the mirror formula. Object distance is the distance of the object from the pole of the mirror.
Mirror Equation for concave mirror and Mirror Equation for a convex mirror. Spherical Mirror Formula 1501891 The Mirror formula explains how object distance u and image distance v are related to the focal length of a spherical mirror. The aperture of the mirror is small.
Many questions are asked from this section of various boards as well as entrance tests. So imagine youve got an object sitting in front of this concave mirror if you wanted to figure out where the images formed you can draw ray tracings and so one way you can draw is a parallel ray that goes through the focal point but these rays are reversible I dont have to draw that one turns out if you send Rays back along the way they came theyll just retrace the path they came along the. Denoted by the letter u.