For electron, proton , deuterium molecule`(D_(2))` & `alpha`- particule a curve between `lambda`(De Broglie wavelenght ) `v//s` u (speed) is plotted. Selected the correct satatement (s).
A. Curve I is for electrons
B. Curve III is for photon
C. Curve II is for `alpha`-particle
D. Curve III is for Deuterium`(D_(2))`