A hole is made in a convex lens. Then :

(A) a hole appears in the image

(B) image size decreases

(C) image intensity decreases

(D) No change
Please give the correct option .

Dear Student

Image intensity decreases.

​​When an object is placed in front of the convex lens such that the corresponding image is produced after refraction through the lens.

​​​​​​Then there are infinite number of light rays originating from the object which will undergo refraction and converge to produce the corresponding image.

​​​​​​As a result of the hole, a few light rays will not be able to undergo the required refraction.

Hence, the light intensity of the image will decrease. The image will now look a little dull.

But image characteristics (i.e. position and size) will remain unchanged.


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