Question

What are the frequency and wavelength of photon during transition from n = 5 state to n=2 state in He+ ion. kindly answer fast

Answer 1

Answer:

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As n1= 2 and n2 = 5, this transition gives rise to a spectral line in the Balmer series. A photon of wavelength 4 x 10-7 m strikes on metal surface, the work function of the metal being 2.13 eV.

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Answer 2

Answer:

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