An Optical Fiber Made of Glass with an Index of Refraction

question 18

Multiple Choice

An optical fiber made of glass with an index of refraction 1.50 is coated with a plastic with index of refraction 1.30.What is the critical angle of this fiber at the glass-plastic interface?

• A) 90.0°
• B) 41.8°
• C) 60.1°
• D) 50.2°
• E) 61.1°

---

Definitions:

Average Monthly Cost

The mean expenditure incurred per month over a specified period, often used for budgeting and planning purposes.

Childcare

Provision of care and supervision to children, typically by someone other than the child's parents, often involving educational and recreational activities.

Independent Random Samples

Samples selected from the same population where the selection of one element does not influence or affect the selection of any other element.

Rejection Regions

The portion of a sampling distribution that, if a test statistic falls within, leads to the rejection of the null hypothesis.