Question

Q. An object is placed at distance of 30cm in front of concave mirror of focal length of 10cm. Calculate the distance of the image from the mirror?
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Answer 1

Answer:

When an object is kept at a distance of 30cm from a concave mirror, the image is formed at a distance of 10 cm

Answer 2

By using mirror formula 1/f -1/u =1/v

=-15