Question

At what distance should an object be placed from a convex lens of focal length 18 cm to obtain an image at 36 cm from it?What will be the magnification produced?​

Answer 1

Use lenses formula

1/f = 1/v-1/u

1/18=1/24-1/u

U = - 36cm

Magnifications m = v/u =18/(-36)

-. 2

And image formed is inverted -ve sign show that

Answer 2

Step-by-step explanation:

plzz refer to the attached file..

THE IMAGE FORMED IS INVERTED WITH NEGATIVE SIGN...

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