A Light Ray in Air Strikes a Glass Plate Whose $1.42$

question 121

Multiple Choice

A light ray in air strikes a glass plate whose index of refraction is $1.42$ . Some of the light reflects off the surface of the plate, but most of it enters the glass. If the angle of refraction is one-half the angle of reflection, the angle of refraction is closest to which one of the following angles?

• A) \(37 ^ { \circ }\)
• B) \(41 ^ { \circ }\)
• C) \(43 ^ { \circ }\)
• D) \(39 ^ { \circ }\)
• E) \(45 ^ { \circ }\)

---

Definitions:

Productivity

A measure of the efficiency of a person, machine, factory, system, etc., in converting inputs into useful outputs.

Spiritual Culture

Relates to the shared beliefs, practices, and values concerning the sacred or divine, influencing a group or community's way of life.

Ethical

Pertaining to or dealing with morals; concerning the distinction between right and wrong or good and bad behavior.

Opportunities For Employees

The possible prospects or openings within an organization for its workers to advance, learn new skills, or pursue career growth.