5
A biconvex lens has focal length of and intensity of
light I passing through it. What will be the focal
length and intensity for portions of lenses obtained by
cutting it vertically and horizontally as shown in the figure
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Answer:
--There will be no effect on focal length as the radius of curvature will remain same and then the focus will be same.
--Intensity of image formed will be less since the aperture of each part will become
2
1
times of the complete lens.
Explanation:
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