A student wants to project the image of a candle flame on a screen 60cm in front of a mirror by keeping the flame at a distance of 15cm from its pole.

  1. State the type of the mirror.
  2. Find the linear magnification
  3. Find the distance b/w the object and the mirror
  4. Draw a ray diagram to show the image formation.
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1 Answers

1) Concave mirror
2) Linear Magnification m = -v/u 
u = -15 cm
v = -60 cm
m = -v/u = -60/15 = -4
3) 15 cm
4) Ray diagram - object between F and C.

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