Q24 of 61 Page 1

A student wants to project the image of a candle flame on the walls of school laboratory by using a mirror.

(a) Which type of mirror should he use and why?


(b) At what distance in terms of focal length 'f' of the mirror should he place the candle flame so as to get the magnified image on the wall?


(c) Draw a ray diagram to show the formation of image in this case.


(d) Can he use this mirror to project a diminished image of the candle flame on the same wall? State 'how' if your answer is 'yes' and 'why not' if your answer is 'no'.

(a) The student should use a Concave mirror because a concave mirror produces real images.


(b) To get magnified image, the student should put the candle flame between f and 2f.


(c) The ray diagram will be as follows:



(d) Yes, concave mirror can be used to obtain a diminished image. When the object is placed beyond 2f, then the image formed will be diminished one.



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