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In lens displacement method the magnifie...

In lens displacement method the magnified and reduced size of image are `x_1` and `x_2` respectively. The Origional size of the object will be

A

`sqrt(x_1x_2)`

B

`x_1x_2`

C

`x_1^2x_2`

D

`x_1^2 -x_2^2`

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UNITED BOOK HOUSE-MODEL PAPER SET-01-EXERCISE
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