How to Calculate the de Broglie wavelength for each of the following? a. an electron with a velocity 10.% of the speed of light b. a tennis ball (55 g) served at 35 m/s (,80 mi/h)

Question

Chemistry

Rudy Nelson

3 February, 16:39

How to Calculate the de Broglie wavelength for each of the following? a. an electron with a velocity 10.% of the speed of light b. a tennis ball (55 g) served at 35 m/s (,80 mi/h)

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Patton · Answer 1

H = planks constant

m = mass of the object

u = velocity of the object

h = 6.626 * 10^-34 J/s

the mass of an electron is 9.12*10^-31 kg

10% speed of light = 10% * 3*10^8 = 3*10^7 m/s, i dont have my graphing calc with me right now so i leave the technicalities up to you