( ( Emphasis ( on ( ( ( ( ( ( ( ( ( ( magnetism , ) electromagnetism ) , ) ( electromagnetic waves ) ) , ) ( geometrical ( and ( wave optics ) ) ) ) , ) ( solid state ) ) and ) ( quantum physics ) ) ) ) . )
(ROOT (NP (NP (NNS Emphasis)) (PP (IN on) (NP (NP (NN magnetism)) (, ,) (NP (NN electromagnetism)) (, ,) (NP (JJ electromagnetic) (NNS waves)) (, ,) (NP (NN geometrical) (CC and) (NN wave) (NNS optics)) (, ,) (NP (JJ solid) (NN state)) (CC and) (NP (NN quantum) (NNS physics)))) (. .)))
Emphasis on magnetism, electromagnetism, electromagnetic waves, geometrical and wave optics, solid state and quantum physics.
(ROOT (S (NP (NNS Optics)) (VP (VBZ explains) (NP (NP (DT the) (NN behavior)) (PP (IN of) (NP (JJ visible) (ADJP (JJ light) (CC and) (JJ electromagnetic)) (NNS waves))))) (. .)))