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Grade: 12
        A lens is cut through the centre (a) along the axis  (b) transverse to axis.What will be change in focal length and aperture in two cases?
9 months ago

Answers : (1)

Arun
13861 Points
							
Dear student
 
If lens is cut along the principal axis then there will be no change in the focal length of lens. but it is cut perpendicular to principal axis, then focal length will be twice the original one.
 
Regards
Arun (askIITians forum expert)
9 months ago
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