Calculate the Wavelength of Light Emitted When an Electron in a Hydrogen

question 69

Multiple Choice

Calculate the wavelength of light emitted when an electron in a hydrogen atom falls from the n = 4 orbit to the n = 1 orbit (R_h = 1.1×10⁷ m ^{- 1}) .

• A) 9.7×10 ^{- 8} m
• B) 6.5×10 ^{- 7} m
• C) 3.6×10 ^{- 7} m
• D) 6.4×10 ^{- 6} m
• E) none of these

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