The Red Line Observed in the Line Spectrum for Hydrogen

question 10

Multiple Choice

The red line observed in the line spectrum for hydrogen has a wavelength of 656 nm. What is the frequency of this light in hertz (s^-1) ?

• A)4.57 × 10⁵ s^-1
• B)4.57 × 10¹⁴ s^-1
• C)2.18 × 10^-6 s^-1
• D)2.18 × 10^-13 s^-1
• E)1.97 × 10² s^-1

---

Definitions:

Pressure Ulcer Formation

The development of injuries to skin and underlying tissue resulting from prolonged pressure on the skin.

Shear

A force that causes layers of material to slide past one another in opposite directions.

Friction

The friction experienced by one object or surface as it moves across another.

Serosanguineous Drainage

A type of wound discharge that is pale, red, and contains both clear serous fluid and red, bloody fluid.