INSFerpendicular to principal axis what 9558522. When a lens of focal

1.	INSFerpendicular to principal axis what 9558522. When a lens of focal length 'f is cut into two equal halves Perpendicular to printfocal length of each hall?3fD)4ffP2hind
Answer» Convex Lens.. F= f Hence . the focal length is the distance between the optical centre and f. so.. when the lens is cut perpendicular to PRINCIPAL AXIS then it MEANS lens is divided into TWO parts from its diameter. so. 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. So focal length became twice the original (of cut halves)

INSFerpendicular to principal axis what 9558522. When a lens of focal length 'f is cut into two equal halves Perpendicular to printfocal length of each hall?3fD)4ffP2hind

Answer»

Convex Lens..

F= f

Hence . the focal length is the distance between the optical centre and f.

so.. when the lens is cut perpendicular to PRINCIPAL AXIS then it MEANS lens is divided into TWO parts from its diameter.

so. 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.

So focal length became twice the original (of cut halves)

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INSFerpendicular to principal axis what 9558522. When a lens of focal length 'f is cut into two equal halves Perpendicular to printfocal length of each hall?3fD)4ffP2hind​

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INSFerpendicular to principal axis what 9558522. When a lens of focal length 'f is cut into two equal halves Perpendicular to printfocal length of each hall?3fD)4ffP2hind