6th Edition homework 1.37 wavelength of protons and neutrons


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Louise Zhuang
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6th Edition homework 1.37 wavelength of protons and neutrons

Postby Louise Zhuang » Sun Oct 14, 2018 10:31 pm

Protons and neutrons have nearly the same mass. How different are their wavelengths? Calculate the wavelength of each particle when traveling at 2.75 = 105 m/s in a particle accelerator and report the difference as a percentage of the wavelength of the neutron.

How do you do this without knowing proton's and neutron's mass? If they have nearly the same mass how could the wavelengths be different?

Chem_Mod
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Re: 6th Edition homework 1.37 wavelength of protons and neutrons

Postby Chem_Mod » Mon Oct 15, 2018 3:01 pm

You can find the proton and neutron mass in the back of the book. The wavelengths are different because of the differences in mass, even though they are small.

Brian Hom 2F
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Re: 6th Edition homework 1.37 wavelength of protons and neutrons

Postby Brian Hom 2F » Mon Oct 15, 2018 3:05 pm

The wave lengths of a proton and a neutron are identical to 3 significant figures as the lengths are 1.44x10^-12m. To solve this problem, you should use De Broglie's wave equation.


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