Question

If an object is placed at a distance of 20cm from a concave mirror having focal length of 15cm. a) Where we will get the image( image distance)? b) What are the nature of this image?

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Answer 1

Answer:

Object distance (u) = -20cm

focal length (f) = 15 cm

we know that

1/v+1/u=1/f

1/v + 1/-20=1/15

do the calculation part by ur self

Nature of the image will be real and inverted