A Ray of Monochromatic Light in Air Falls on the Upper

question 51

Multiple Choice

A ray of monochromatic light in air falls on the upper surface of two parallel-sided slabs of transparent material, as shown in the diagram. The angle of refraction φ in the lower slab is approximately

• A) 22º.
• B) 30º.
• C) 37º.
• D) 53º.
• E) 60º.

---

Definitions:

Evidence

Information or facts that help to establish the truth or validity of a belief, proposition, or phenomenon.

Longitudinal Design

A research design that involves repeated observations of the same variables or groups over a period of time, allowing for the study of changes and development.

Prospective Design

A research design that follows participants forward over a period of time to observe future outcomes.

Cross-sectional Design

A research design that analyzes data from a population, or a representative subset, at a specific point in time to examine relationships between variables.