The Red Line Observed in the Line Spectrum for Hydrogen

question 9

Multiple Choice

The red line observed in the line spectrum for hydrogen has a wavelength of 656 nm. What is the energy of a photon of this light?

• A)3.03 × 10^-28 J
• B)3.03 × 10^-19 J
• C)3.30 × 10²⁷ J
• D)3.30 × 10¹⁸ J
• E)1.30 × 10^-22 J

---

Definitions:

Predetermined Period

A predetermined period refers to a specific span of time that has been set in advance for a particular purpose or event.

Income Bonds

Bonds that pay interest only when the issuer has earned sufficient profits.

Interest Expense

Interest expense refers to the cost incurred by an entity for borrowed funds over a period of time.

Semiannually

Semiannually implies an occurrence or calculation that happens twice a year, often used in the context of interest payments or reporting periods.