Question

an object is kept on the principal axis of a concave mirror of a focal length 20cm the object is at a distance of 18 cm from the mirror calculate the image distance determine the nature of the image formed by calculating the magnification produced by the mirror


please answer this ​

Answer 1

Answer:

Virtual image

Explanation:

Mirror formula 1/f=1/u+1/v

1/20=1/18+1/v

1/v=1/20-1/18

1/v=-1/180

V=-180cm

Magnification =v/u

-180/18

=-10

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