(b)One half a convex lens of focal length 20 cm is covered with a black paper.
(1) Will the lens produce a complete image of the object ?
(ii)Show the formation of image of an object placed at 2F1 of such covered lens with the help of
a ray diagram
(iii)How will the intensity of the image formed by half-covered lens compare with non-covered
lens?
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.help me please ❤️❤️
Answers
Answered by
1
Answer:
Even if half of the convex lens is covered with a black sheet of paper, the lens will produce a complete image of the object. However, the intensity of the image will be less and the image formed will be less bright as compared to the one formed by a complete convex lens.
Explanation:
hope it will help you
Answered by
1
(I) no lense not produce complete image formation
( ii ) in this case image will formed but we not see due to half coverd surface of lens
( iii ) inthis case image will see in non covered surface
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