They say that in Snell s archive they found an optical

Last updated: 5/7/2023

They say that in Snell s archive they found an optical scheme which depicted lens Real object an its real image The object and the image are of the same size and shape but longitudinally inverted and the longer line of the object lies on the optical axis of the lens The image and object both ar shown here The image can be on either left hand side or right hand side of object Focal length c the lens f Obejct 0 optics axis 0 O should be at a distance of 2f from the lens The lens should be on the right hand side of the object The lens is converging in nature Image The focal length of the lens is 2a where a is length of one square grid