An Optical Fiber Having Index of Refraction 1 $^{\circ}$ B) 268 $^{\circ}$

question 4

Multiple Choice

An optical fiber having index of refraction 1.40 is clad with a material of index of refraction 1.25.What is the critical angle for this fiber?

• A) 63.2\(^{\circ}\)
• B) 26.8\(^{\circ}\)
• C) 41.8\(^{\circ}\)
• D) 73.0\(^{\circ}\)
• E) 16.5\(^{\circ}\)

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Definitions:

Confounding Variables

External factors that can affect the outcome of an experiment, introducing errors by influencing the dependent variable alongside or instead of the independent variable.

Random Assignment

A method used in experiments to ensure that every participant has an equal chance of being assigned to any given group, helping to control for confounding variables.

Alcohol Consumption

Alcohol Consumption pertains to the intake of alcoholic beverages by individuals, which can have various social, cultural, and health implications.

Driving Impairment

A reduction in the ability to operate a vehicle safely, often due to factors like alcohol, drugs, fatigue, or health issues.