Question

calculate the longest wavelength of the spectal line of Balmer Series​

Answer 1

HEY MATE ✌

Since wavelength and energy are inversely related, the longest wavelength would be produced by the lowest amount of energy. That would be by the electron falling from from n = 3 (ni) to n = 2 (nf). (All Balmer series lines have nf = 2). lambda = 1 / (1.52 x 10^6 m) = 6.56 x 10^-7 m = 656 nm . . .that's a RED line.

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Answer 2

Answer:

The longest wavelength of balmer series will be from n=3 to n=2

Explanation:

The explanation is attached with the figure given