Physics, asked by abhijithrczz1234, 10 months ago

The image of an object placed at 40cm in front of a lens is obtained on a screen at a
distance of 100cm from it. Find the focal length of the lens. What would be the
height of the image if the object is 4cm high?

Answers

Answered by suryavikas909

1

Answer:

hi Listen U have to use formula of Focal length

Explanation:

1/f=1/v-1/u and u will get f=60dioptre and if obj is 4 then 6dioptre

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