Find by construction the position of a lens
and the main focii on the principal axis 00'
if A1, B1,, A2, B2, are respectively the object and
the image. What type of lens is this?
Find the focal lenght of a lens of power
(-2.0) D.
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If it is vital getting image of flame on the screen that could project with observing the types of images. In addition to this, measure with object distance for parallel to main axis that centre of curvature with radius of principal axis. It involves focal points and light ray passed with behaves when light passed through a leNS ..
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