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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 aperture in two cases?
one year ago

Answers : (1)

Arun
17970 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 
one year ago
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