Question

Find the position ,nature and size of the image formed by a convex lens of focal length 18 cm of an object 3 cm high placed at a distance 27 cm from it. please help

Answer 1

Answer:

Explanation: f=18

u=-27

v=?

height of the object=3cm

1/f=1/v-1/u

1/18=1/v-1/-27

1/18=1/v+1/27

1/18-1/27=1/v

3-2/54=1/v

1/54=1/v

V=+54

Size=6cm

Answer 2

The image formed is magnified, real, inverted and beyond 2F.

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