( ( For ( any ( electromagnetic wave ) ) ) ( , ( ( ( the product ) ( of ( ( ( ( it 's ) wavelength ) ( -LRB- ( ( -RRB- and ) frequency ) ) ) ( -LRB- ( v -RRB- ) ) ) ) ) ( ( is ( equal ( to ( ( the speed ) ( of light ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN For) (NP (DT any) (JJ electromagnetic) (NN wave))) (, ,) (NP (NP (DT the) (NN product)) (PP (IN of) (NP (NP (NP (NP (PRP it) (POS 's)) (NN wavelength)) (PRN (-LRB- -LRB-) (UCP (ADJP (JJ -RRB-)) (CC and) (NP (NN frequency))))) (PRN (-LRB- -LRB-) (INTJ (UH v)) (-RRB- -RRB-))))) (VP (VBZ is) (ADJP (JJ equal) (PP (TO to) (NP (NP (DT the) (NN speed)) (PP (IN of) (NP (NN light))))))) (. .)))
For any electromagnetic wave, the product of it's wavelength ( ) and frequency (v) is equal to the speed of light.
(ROOT (S (NP (NP (DT The) (NN product)) (PP (IN of) (NP (NP (NP (DT a) (NN wave) (POS 's)) (NN wavelength)) (CC and) (NP (PRP$ its) (NN frequency))))) (VP (VBZ is) (NP (PRP$ its) (NN speed))) (. .)))