A converging lens is used to form an image on a screen. When the lower half of the lens is covered by an opaque screen then
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also the image can be form as light rays can pass through the upper half of the lens
nethuthen:
Options are (a) half of the image will disappear
(b) complete image will be formed
(c) no image will be formed
b part
(d) intensity of the image is high
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