Line Spectra from All Regions of the Electromagnetic Spectrum, Including

question 64

Multiple Choice

Line spectra from all regions of the electromagnetic spectrum, including the Paschen series of infrared lines for hydrogen, are used by astronomers to identify elements present in the atmospheres of stars. Calculate the wavelength of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3. (R = 1.096776 * 10⁷ m¯¹)

• A) 205.1 nm
• B) 384.6 nm
• C) 683.8 nm
• D) 1282 nm
• E) > 1500 nm

---

Definitions:

Infinite Patience

An extensive capacity to tolerate delays, obstacles, or suffering without becoming annoyed or anxious.

Self-Sacrifice

The act of giving up one's own interests, desires, or well-being for the benefit of others or for a cause.

Economic Liability

A financial obligation or debt that poses a potential cost to an individual or entity.

Industrialized Societies

Societies characterized by a high level of industrial development and a significant proportion of the population employed in the manufacturing and service sectors.