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Question

# A converging lens is used to produce an image of an object on a screen. What change is needed for the image to be formed nearer to the lens ?

A
Increase the focal length of the lens
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B
insert a diverging lens between the lens and the screen
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C
increase the distance of the object from the lens
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D
move the object closer to the lens.
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Solution

## The correct option is A increase the distance of the object from the lensAs the image is found on screen , therefore image is real i.e. object is placed beyond the focal length of converging lens .Now , by lens equation v=−uf−u+f (where v must be +ive) it is clear from this equation , that v (distance of image from pole) will be smaller when we increase u (distance of object from lens) .

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