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In this lesson, we will learn how to calculate the de Broglie wavelength of high-energy particles and macroscopic objects.
What is the de Broglie wavelength of a proton whose kinetic energy is 2.0 MeV?
What is the de Broglie wavelength of an electron travelling at a speed of
What is the wavelength of an electron that is moving at a
of the speed of light?
What is the de Broglie wavelength of a proton whose kinetic energy is 10 MeV?
A proton in an accelerator has an energy of 1.00-TeV.
Find the Lorentz factor
for the proton.
Find the DeBroglie wavelength for the proton.
What is the velocity of a 0.400-kg billiard ball if its wavelength is 7.50 fm?
At what velocity will an electron have a wavelength of
What is the kinetic energy of a 0.0300 nm wavelength electron in a tunneling electron microscope?
What is the wavelength of an electron accelerated from rest by a 36.7 keV potential difference?
What is the de Broglie wavelength of a 70 kg
football player running at a speed of 6.5 m/s?
At what velocity does a proton with a 5.80 fm wavelength move? Give your answer in units of
Find the wavelength of a proton that is movingv at 3.40% of the speed of light.
What is the de Broglie wavelength of an
electron that is accelerated from rest through a potential difference of
The de Broglie wavelength of a neutron is 0.0500 nm.
What is the speed of this neutron?
is the energy of this neutron?
An X-ray photon has an energy of
125 keV, and a neutron has the
same momentum as the photon.
Find the momentum of the photon.
Find the velocity of the neutron with the same momentum.
What is the neutron’s kinetic energy?
A neutron has a wavelength of 5.60 fm.
What is the neutron’s velocity?
is the neutron’s kinetic energy?
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