Q50. For an object placed at a distance of 20cm from the pole of a mirror, an image is formed
40cm farther from the object on the same side.
a)What is the nature of the pluror? Give reason for your answer
b)Is the image formed real or virtual? Give reason for your answer
c)Caleulate the focal length of the mirror used
d)Draw a ray diagram to show the image formed.
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