The Wavelength of Light Associated with the N = 2

question 10

Multiple Choice

The wavelength of light associated with the n = 2 to n = 1 electron transition in the hydrogen spectrum is 1.216 * 10^-7 m. By what coefficient should this wavelength be multiplied to obtain the wavelength associated with the same electron transition in the Li²⁺ ion?

• A) 1
• B) 1/3
• C) 1/4
• D) 1/7
• E) 1/9

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