Question

an object is placed at a distance of 10 cm from a convex lens of focal length 15cm the image formed is at at a distance of 30 cm from the lens on the same side of object as shown magnification of image formed is equal to​

Answer 1

Answer:

1/f=1/v-1/u

1/15=1/-30-1/x

-1/x=1/10

x=-10

m=v/u

=-30/-10

=3

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