GEOMETRICAL OPTICS                         PART-2 OPTICAL SYSTEM AND CARDINAL POINTS It is the most important as well as basic chapter of geometrical optics. This deals with the cardinal points, newto…

GEOMETRICAL OPTICS   OPTICS:  The branch of physical science that deals with the properties and phenomena of both visible and invisible light with vision.  The three major branches of optics are:  (1) Geometric…

QUICK REVISION  HAND-WRIITEN NOTES FITTING SHOP : The workshop that deals with the assembly of mating parts, through removal of metal, to obtain the required fit. The person who does this is known as fitter. …