What Is the Wavelength of the Photon Emitted When an Electron

question 48

Multiple Choice

What is the wavelength of the photon emitted when an electron in a hydrogen atom which is in the initial state n = 4 jumps to the final state n = 2? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

• A)243 nm
• B)486 nm
• C)556 nm
• D)312 nm
• E)609 nm

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