27) Find the de Broglie wavelength of a deuteron of mass 3.3 X 10^-27 kg that moves with a speed of 2.5 X 10^4 m/s.
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Consider an atom traveling at 1% of the speed of light. The de Broglie wavelength is found to be 3.31 x 10-3 picometers. Which element is this? (1 amu = 1.66 x 10-27 kg).
61. What is the de Broglie wavelength for a proton (m = 1.67x10^-27 kg) moving at a speed of 6.0 x10^6 m/s? (h = 6.63 x10-34 J·s)
a. 2.0 x 10^-13 m
b. 0.33 x 10^-13 m
c. 1.3 x 10^-13 m
d. 0.66 x 10^-13 m
The neutron has a mass of 1.67 × 10–27 kg. What is the de Broglie wavelength of a neutron with a kinetic energy of 0.040 eV?