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Q.10. Calculate the shortest wavelength in the Balmer series of hydrogen atom. In which region (infra- red, visible, ultraviolet) of hydrogen spectrum does this wavelength lie?

Dear Student ,
Since, we know that for Balmer series,

For shortest wavelength in Balmer series, the spectral series is given by

1λ= R×14λ=4Rλ=3·64×10-7 mThe lines of Balmer series are found in the visible part of the spectrum.

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