Tagged Questions
1
vote
1answer
84 views
Finding the wavelength of an electron in its ground state?
To find the wavelength of an electron in its ground state in a hydrogen atom, would I or could I do the following?
Use the ground state energy (-13.6eV) in $E^2 = m^2c^4 + p^2c^2$
Solve for $p$
Use ...
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1answer
153 views
How to reconstruct information from a graph of an oscillation? [closed]
We are given a graph of the position of a wave (amplitude).
How can we calculate the wavelength, frequency and the maximum speed of a particle attached to that wave?
We have
Speed = wave length ...
0
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0answers
61 views
Ultrashort Optical Pulses [closed]
If an ultrashort optical pulse has a complex wavefunction with central frequency corresponding to a certain wavelength and a Gaussian envelope of RMS width of a certain time period, how can I ...
1
vote
1answer
87 views
What's the wavelength of an electron after hitting a potential barrier?
I have this question:
An electron with Energy $E = 40 eV$ hits a potential barrier with $E_0 = 30 eV$. What is the wavelength of the electron after hitting the potential barrier?
I worked from ...