mariahrpoulin18121 mariahrpoulin18121

07-12-2018
Chemistry

contestada

What is the wavelength of the matter wave associated with an electron (me= 9.1 x 10-31 kg) moving with a speed of 2.5 x 107 m/s?

A. 2.4110^-34
B.1.5110^-56
C.2.910^-11
D.1.82 10^4

Respuesta :

meetpatel0719 meetpatel0719

07-12-2018

lambda = h\ Mv
lambda = 6.624 x 10^-34 / 9.1 x 10^-31 x 2.5 x 10^7
lambda = 2.9 x 10^-11 is your wavelength

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