Question

Select One Correct Option from the following: A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen,
(A) half of the image will disappear.
(B) complete image will be formed.
(C) intensity of the image will increase.
(D) intensity of the image will decrease.

Answer 1

b option is correct.
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Answer 2

(A) half of the image will disappear.

✴️ (B) complete image will be formed.

(C) intensity of the image will increase.

(D) intensity of the image will decrease.