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

question 20

Multiple Choice

Calculate the frequency of light emitted when an electron in a hydrogen atom goes from the n = 5 shell to the n = 2 shell.

• A) 6.9×10¹⁴ s ^{- 1}
• B) 8.2×10¹³ s ^{- 1}
• C) 7.8×10¹⁴ s ^{- 1}
• D) 1.2×10¹⁴ s ^{- 1}
• E) none of these

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