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43 solutions

De Broglie Wavelength

Q. What is the wavelength of a 142-g baseball traveling at 90.7 mph?

Solved • Mar 22, 2020

De Broglie Wavelength

Q. What is the de Broglie wavelength of this electron? [KE = 1/2 mw^2; 1 electron volt (eV = 1.602x10^-19 J]

Solved • Feb 13, 2020

De Broglie Wavelength

Q. What is the de Broglie wavelength of an electron traveling at 1.33x10^5 m/s? Express your answer with the appropriate units.

Solved • Feb 13, 2020

De Broglie Wavelength

Q. What is the de Broglie wavelength of an electron traveling at 1.05×105m/s 1.05×10^5m/s

Solved • Feb 7, 2020

De Broglie Wavelength

Q. A proton in a linear accelerator has a de Broglie wavelength of 133 pm. What is the speed of the proton? Express your answer with the appropriate units.

Solved • Feb 8, 2020

De Broglie Wavelength

Q. Calculate the de Broglie wavelength (in picometers) of a hydrogen atom traveling at 470 m/s. Express your answer using three significant figures.

Solved • Feb 8, 2020

De Broglie Wavelength

Q. Calculate the wavelength of an electron traveling with a speed of 3.21 x 10^5 m/s. a) 9.63 x 10^13 m b) 2.06 x 10^-39 m c) 2.27 x 10^-9 m d) 4.41 x 10^8 m

Solved • Feb 4, 2020