Rajat Jha

Combination of lens

COMBINATION OF LENSES(i) For a system of n-lenses in combination, the net focal length (f), net power (P) and magnification (m) are given as follows: (ii) In case when two thin lens are in contact...

Lens in surrounding of different refractive index

LENS IN SURROUNDING OF DIFFERENT REFRACTIVE INDEXESLens is generally used either to converge or to diverge the rays of light. Generally lenses are made from materials having refractive indices grea...