An Optic Fiber Is Made of Clear Plastic with an Index

question 60

Multiple Choice

An optic fiber is made of clear plastic with an index of refraction of 1.50.For what range of angles of incidence θ with the lateral surface of the fiber will light remain inside the plastic "guide" if it is surrounded by air?

• A)21.1° < θ < 90°
• B)23.4° < θ < 90°
• C)38.3° < θ < 90°
• D)40.3° < θ < 90°
• E)41.8° < θ < 90°

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Definitions:

Relaxation

a state or activity aimed at reducing tension, stress, and anxiety, promoting physical and mental well-being.

Labor

The process of childbirth, especially the period from the start of uterine contractions to delivery.

Cervix Dilation

The opening of the cervix, measured in centimeters, during labor to allow for the passage of the baby from the uterus into the birth canal.

Childbirth

The process of delivering a baby from the womb to the outside world, marking the end of pregnancy.