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## Homework Statement

Calculate the spectral interval (λmax, λmin, and Δλ) in which all the lines of the Lyman, Balmer, and Pashcen series (excluding their continuous parts) of the H-atom are found.

## Homework Equations

Here is where I am confused.. do I use the Balmer's formula for H?

frequency = [1/4 - 1/n^2] * 3.29*10^(15)s^-1

## The Attempt at a Solution

The problem is.. I don't know what energy levels these series correspond to? Is this something I am just supposed to memorize??