What Is the Wavelength of the Line in the Paschen

question 14

Multiple Choice

What is the wavelength of the line in the Paschen series of hydrogen that is comprised of transitions from the n = 4 to the n = 3 levels? (R = 1.097 x 10⁷ m^-1 and 1 nm = 10^-9 m)

• A)1 282 nm
• B)1 875 nm
• C)1 923 nm
• D)2 251 nm

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