The de-Broglie wavelength associated with an electron and a proton were calculated by accelerating them through same potential of 100 V. What should nearly be the ratio of their wavelengths?
(mP = 1.00727 u, me = 0.00055u)
(1) 1860 : 1
(2) (1860)2 : 1
(3) 41.4 : 1
(4) 43 : 1
