To construct ray diagram we use two light rays which are so choosen that it is easy to know their directions after reflection from the mirror.List these 2 rays and state the path of these rays after reflection. Use the rays to locate the image of an objectplaced between centre of curvature and focus of a concave mirror.
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in any type of mirror or lens 2 rays are passed.
1-First ray will be parallel to principal axis.It then reflect back to principal focus.
2-Second ray will pass through pole and reflect back at same angle of incidence.
1-First ray will be parallel to principal axis.It then reflect back to principal focus.
2-Second ray will pass through pole and reflect back at same angle of incidence.
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