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Calculate the shortest wavelength in the …

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

Posted by Anu Shka 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Naveen Sharma 7 years, 2 months ago

Ans. Since, we know that for Belmer Series

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

=> 1/λ = R/4

=> λ = 4\R

=> λ = 4/ (1.097 * 10⁷)

=> λ = 3.64 * 10 ^-7m

This wavelength is found in the visible part of the spectrum.

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