Polarization: the Critical Angle for an Air-Glass Interface Is 29

question 26

Multiple Choice

Polarization: The critical angle for an air-glass interface is 29.6°. When a light ray in air is incident on the interface, the reflected ray is 100% polarized. What is the angle of refraction of that ray?

• A) 26.3°
• B) 25.7°
• C) 25.1°
• D) 24.5°
• E) 23.9°

---

Definitions:

Gross Private Domestic Investment

The total amount of domestic capital investment in non-governmental sectors, including both non-residential and residential assets.

Producer Plant

Typically refers to a facility or set of facilities that processes raw materials or components to manufacture goods or products for sale. In some contexts, it might specifically denote a facility involved in agricultural production.

Residential Construction

The building and selling of residential buildings such as houses, apartments, and condominiums.

Capacity Utilization Rate

The percentage of a firm's total possible production output that is actually being achieved, indicating how efficiently resources are being used.