What is the doppler-broadened linewidth of the electronic transition at 821 nm in atomic hydrogen at...
What is the doppler-broadened linewidth of the electronic transition at 821 nm in atomic hydrogen at 300K ?
Homework Answers
Doppler -broadening of spectral lines is due to the random thermal motions of atoms. For any absorption or emission spectrum, Doppler effect will contributes the broadening of spectral lines. Such broadening is given as
= line
width and 
0 =
wavelength = 800 nm
k = boltzmann constant = 1.33 x 10-23 ,
m0 = atomic weight of hydrogen = 1.66 x 10-27
and C= speed of light = 3 x 108
substitute the values in equation and the
=
0.0117 nm
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What is the doppler-broadened linewidth of the electronic
transition at 821 nm in atomic hydrogen at...
11. For the electronic transition from n 3 to n 5 in the hydrogen atom, calculate the energy wave...
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11. For the electronic transition from n 3 to n 5 in the hydrogen atom, calculate the energy wavelength (in nm). 12. Calculate the energy of a photon of frequency 5.20x1o' s1.
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11. For the electronic transition from n 3 to n 5 in the hydrogen atom, calculate the energy wavelength (in nm). 12. Calculate the energy of a photon of frequency 5.20x1o' s1.
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Please help!!
Consider the atomic spectra of hydrogen and deuterium. For atomic hydrogen, the first tran- sition in the Balmer series (n = 3 + 2) occurs at 656.45377 nm. At what wavelength would you expect the analogous transition to be observed for atomic deuterium? Would you be able to distinguish these two transitions with a spectrograph that has 0.01 nm resolution?
The hydrogen atomic emission spectrum includes a UV line with a wavelength of 92.323 nm. Photons of this wavelength are emitted when the electron transitions to n_t = 1 as the final energy state. Is this line associated with a transition between different excited states or between an excited state and the ground state? different excited states between an excited state and the ground state What is the energy of the emitted photon with wavelength 92.323 nm? What was the...
7. There are actually 2 purple lines in hydrogen's atomic spectra, one at 410 nm that is very hard to see and one at 436 nm. What electronic transition do you think is responsible for the line at 410 mm? Explain
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