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A point object is placed on the axis in ...

A point object is placed on the axis in front of a convex lens of focal length 30 cm. The distance of the object from the lens is 45 cm. If the lens is moved away from object by 1 mm and also the object is moved apart from the line joining the object and optical centre by 1 mm the displacement of the image has magnitude-

A

`sqrt(29)mm`

B

`sqrt(34)mm`

C

`2sqrt(5)mm`

D

`sqrt(44)mm`

Text Solution

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The correct Answer is:
A
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