Answer to Question #88326 in Optics for Krishan Kumar

Question #88326
a point source of light S is placed between concave mirror. The beam of light incident on plane mirror become parallel to optical axis after reflection through the concave mirror. The focal length of concave mirror is 30 cm and the point source is midway between concave mirror and plane mirror. Find the separation between concave mirror and plane mirror
1
Expert's answer
2019-04-23T11:04:00-0400


From this image we will see, what length between plane mirror and concave mirror is 2F


"F=30 cm""length = 2F = 60 cm"


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