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When a lens is inserted betwen an object and a screen which are a fixed distance apart, the size of the image is 6cm or 2/3cm. Find size of object.

When a lens is inserted betwen an object and a screen which are a fixed distance apart, the size of the image is 6cm or 2/3cm. Find size of object.

Grade:12

1 Answers

Chetan Mandayam Nayakar
312 Points
10 years ago

let r be size of object

6/r=r/(2/3), r2=4, r=2cm

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