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KVPY SA Exam 2011 Question Paper
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© examsnet.com
Question : 24
Total: 80
A convex lens is used to form an image of an object on a screen. If the upper half of the lens is blackened so that it becomes opaque, then
only half of the image will be visible
the image position shifts towards the lens
the image position shifts away from the lens
the brightness of the image reduces
Validate
Solution:
Only half part of the lens will be used so its intensity will be decreased
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