Author Question: What is the de Broglie wavelength for a proton (m = 1.67 10-27 kg) moving at a speed of 3.0 106 ... (Read 121 times)

NguyenJ · **on:** Jul 28, 2018

What is the de Broglie wavelength for a proton (m = 1.67 10-27 kg) moving at a speed of 3.0 106 m/s? (h = 6.63 10-34 Js)
a. 0.33 10-13 m
c. 0.66 10-13 m
b. 1.3 10-13 m
d. 2.0 10-13 m

Question 2

According to de Broglie, as the momentum of a moving particle is quartered, the corresponding wavelength changes by what factor?
a. 1/4
c. 16
b. 1/16
d. 4