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OpenStudy (anonymous):
An electron of wavelength 1.74*10-10m strikes an atom of ionized helium (He+). What is the wavelength (m) of the light corresponding to the line in the emission spectrum with the smallest energy transition?
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OpenStudy (anonymous):
kk! haha i stuck on this problem
OpenStudy (anonymous):
the formula of wavelength is E=hc/λ??
OpenStudy (anonymous):
the question now is how does the wavelength of an electron relate to the energy of light
OpenStudy (anonymous):
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