The frequency of spectral line obtained when the electron in n=3 of hydrogen atom drops to the ground state
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Answer:
We know that, frequency=velocity of light÷wavelength,,,N1=1,,N2=3,, atomic number is 1 for hydrogen
Wavelength is inversely proportional to wave number
Explanation:
Wave number=redberg number×squareof atomic number (1/N1square-1/N2 square)
Wave number=Rh(1/1-1/9)=Rh(9-1/9),,=Rh(8/9),,,(1/Rh=912A°)
Wavelength=1/wave number
Wavelength=1/Rh×9/8=912×9/8=1026A°
Frequency=3×10*8/1026×10*-10
Frequency=2.99×10power plus 15
Thank,,you,,, I hope you understand well
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