A Light Ray in Air Strikes a Glass Plate Whose

question 83

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)45°
• B)43°
• C)41°
• D)39°
• E)37°

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Definitions:

Emancipatory Knowing

Knowledge that empowers individuals to break free from socio-political constraints, facilitating personal and community liberation.

Social Injustices

Situations or conditions in which individuals or groups are treated unfairly or discriminated against based on race, gender, age, or other factors.

Health Inequities

Health inequities refer to unfair and avoidable differences in health status seen within and between populations.

Political Activism

Active, vigorous action aimed at influencing public policy or societal norms and values in favor of a cause or principle.