What Is the Wavelength of the Emitted Photon If an Electron

question 59

Multiple Choice

What is the wavelength of the emitted photon if an electron in the hydrogen atom makes a transition from the n = 7 state to the n = 2 state? (c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s,1 eV = 1.60 × 10^-19 J)

• A)199 nm
• B)365 nm
• C)4480 nm
• D)398 nm
• E)796 nm

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Definitions:

Murmur

A sound heard during a heartbeat cycle, often using a stethoscope, that can indicate normal or abnormal heart activity.

Radial Pulse

The pulse felt over the radial artery at the wrist, commonly used to measure heart rate.

Heart

A muscular organ in most animals, which pumps blood through the circulatory system by rhythmic contraction and dilation.

Rate

The speed or frequency at which an event or action occurs within a specified period.