Question

Calculate the longest and shortest wavelength for the paschen series

Answer 1

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Answer 2

Answer:

Explanation:

For balmer transition  n1= 2 in order to get max wavelength n2=3 now applying Rydberg formula

Calculate the wave number for the longest wavelength transition...

For the Balmer series, n i = 2.

Thus, the expression of wavenumber is given by,

Wave number is inversely proportional to wavelength of transition.

Hence, for the longest wavelength transition, has to be the smallest.

For to be minimum, n f should be minimum.

= 1.5236 × 106 m–1

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