Question

the object lens distance for a certain converging lens is 400mm.the virtual image is three times the size of the object.To make the virtual image five times the size of the object lens distance must be changed to
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Answer 1

Answer:

A 2-cm-tall object is placed 400 mm from a converging lens, which is observed to form an image three times the size of the object. To make the image five times the size of the object, the object-lens distance (in mm) must be changed to:Read more on Sarthaks.com - https://www.sarthaks.com/396622/tall-object-placed-from-converging-lens-which-observed-form-image-three-times-size-object

Explanation:

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