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A lens is held directly above a pencil lying on a floor and forms and image of it. After the lens has been moved vertically a distance equal to its focal length it forms image of equal size to the previous image. If the length of the pencil is 8 centimetre the length of the image is?

A lens is held directly above a pencil lying on a floor and forms and image of it. After the lens has been moved vertically a distance equal to its focal length it forms image of equal size to the previous image. If the length of the pencil is 8 centimetre the length of the image is?

Grade:10

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

if the length of the image is the same as that of the length of the object then it will be also 8cm

Regards

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