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Hydrogen atom in its ground is excited by means of monochromatic radiation of wavelength 975 Å. How many different lines are possible in the resulting spectrum ? Calculate the longest wavelength amongst them. You may assume the ionization energy for hydrogen atom as 13.6 eV.

Shane Macguire , 11 Years ago
Grade upto college level
anser 2 Answers
Rinkoo Gupta

Last Activity: 11 Years ago

Four Lines are possible in the resulting spectrum.
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Rinkoo Gupta
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Deepak Patra

Last Activity: 11 Years ago

. \frac{238}{92}U ⟶ \frac{234}{90}X + \frac{4}{2}He \frac{234}{91}X ⟶ \frac{234}{90}Y + \frac{0}{-1}e
(i) Atomic number = 91
(ii) Mass number = 234

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