Question

A lens of focal length f is cut into two equal parts perpendicular to its principal axis. What happens to the focal length

Answer 1

Answer:

amjrjdkz no fjfifkdm t dmjrkrnt d dmejruufdm r rkkrdms. d fnfnf g. cc

Step-by-step explanation:

nsndnncffnsnsmamndnhkvmc.xmndndjdjdjfjfjjfjfnfmfmmdm

what is this??

Answer 2

Answer:

2f

Step-by-step explanation:

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.

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