to say if an image formed
by a lens is erect or inverted depend on the type of lens involved, if the lens
is diverging no matter the position of
the object the image is always erect, but for a converging lens , it may be
erect or inverted depending on the position of the of the object. If the object
is between the lens and the focal length
of the , the image formed will be erect or upright. If the image is at the
focal point , the image will not appear or in other word there would be no
image , if the object is between the focal point and twice the focal length the
image formed will be inverted. If the object is at a point twice the focal length
the image is inverted, therefore if the image is within the focal length the image is erect but if
the object is beyond the focal length the image is always inverted.
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