Question

21. A concave mirror is used for image formation for different positions
of an object. What inferences can be drawn about the following when an
object is placed at a distance of 10 cm from the pole of a concave mirror
of focal length 15 cm ? (a) Position of the image (b) Size of the image (c)
Nature of the image Draw a labelled ray diagram to justify your inferences.
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Answer 1

Answer:

Explanation:

A) position of the image-

U: -10

F: -15

V:. ?

By mirror formula : 1/f=1/v+1/u

1/v=1/-15+1/-10

1/v=1/30

So v=30cm

B.). Highly magnified

C.). Virtual and erect