Reflection from Curved Mirrors#!#Concave Mirror

For Concave Mirror

Introduction|Reflection of Light|Rules for Ray Diagrams|Reflection From Concave Mirrors|Reflection From Convex Mirrors|Questions|Refraction of Light|Law of Refraction|Image Formation|Lens Formula & Magnification

Radius of curvature of each mirror is R. 'O' is object. Consider first reflection from concave mirror. Consider only first three reflection. The distance of final image from convex mirror is

The shape of reflected wavefronts in case of reflection of plane wave front from concave mirror is

A ray of light passing through A retraces its path on reflection from a concave mirror. If PA=30 cm , what is the focal length of the mirror ?

Spherical Mirrors|Types Of Mirror|Focus|Concave Mirror|OMR

A point object is kept between a plane mirror and a concave mirror facing each other. The distance between the mirrors is 22.5 cm . The distance between the mirrors is 20 cm. what should be the distance of the object from the concave mirror so that after two successive reflections the final image is formed on the object itself ? (consider first reflection from concave mirror).

(a) To construct a ray diagram, we use two rays which are so chosen that it is easy to know their directions after reflection from the mirror. List two such rays and state the path of these rays after reflection in case of concave mirrors. Use these two rays and draw ray diagram to locate the image of an object placed between pole and focus of a concave mirror. (b) A concave mirror produces three times magnified image on a screen. If the object is placed 20 cm in front of the mirror, how far is the screen from the object?