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s3b4k
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Homework Statement
1. A photon is emmited when an electron confinded to a box of length 10^-9 m undergoes energy level transition, and has a frequency of 2.50 x 10^15 Hz. Find the energy levels associated with emited radiation
Homework Equations
E=n^2h^2/8mL^2
E=Hc/wavelength
E= -13.61/n^2
The Attempt at a Solution
i have no clue
Homework Statement
compute the wavelength of an electron having speed a) 3 x 10^4 m/s b)0.1 x speed of light
Homework Equations
E=n^2h^2/8mL^2
E=Hc/wavelength
E= -13.61/n^2
The Attempt at a Solution
not sure
Homework Statement
A hydrogen discharge tube(lamp) is excited with energy 13.15 eV. How many possible lines would be obsererved in the emission spectrum of these atoms as a result of this exciation, and which ones would be visible. Visible range 4000A and 8000A
Homework Equations
E=n^2h^2/8mL^2
E=Hc/wavelength
E= -13.61/n^2
The Attempt at a Solution
something with factorial not sure how to though
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