20. A student wants to project the image of a candle flame on a screen 60 cm in front of a mirror by keeping the flame at a distance of 15 cm from its pole.
a. Write the type of mirror he should use.
b. Find the linear magnification of the image produced.
c. What is the distance between the object and its image?
d. Draw a ray diagram to show the image formation in this case
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Answer:
(a) The type of mirror he should useis concave.
(b)Given: Object Distance u=-15cm
Image Distance =60cm
m=-v/u
-60/-15
-4
(c)The distance between the object and it's image is 60-15=45
(d) The ray diagram is attached in the picture
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