Question

Calculate the shortest wavelength of the spectral lines emitted in Balmer series. [Given Rydberg constant, R = 107 m-1]

Answer 1

The wavelength of the spectral line is 4 x 10^-7 m.

Explanation:

1/λ = R ( 1/2^2 - 1/∞^2)

For shortest wavelength:

Therefore;

1/λ = R / 4

λ  = 4  / R = 4 x 10^-7 m

Thus the wavelength of the spectral line is 4 x 10^-7 m.

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