The Speed of Light in a Transparent Plastic Whose Index

question 40

Multiple Choice

The speed of light in a transparent plastic whose index of refraction is 1.5 is

• A) 1.5 × 10⁸ m/s.
• B) 2 × 10⁸ m/s.
• C) 3 × 10⁸ m/s.
• D) 4.5 × 10⁸ m/s.

---

Definitions:

E-mailed

Sent or received a message or document over the internet using an electronic mail (email) system.

Open-Ended Question

A question phrased in such a way that it elicits a relatively unguided and lengthy narrative response.

Grades

Measures of academic performance or achievement, often represented by letters or numbers, awarded to students based on their work in a course or class.

Working Full-Time

Employment in which an individual works a minimum number of hours defined by their employer as full-time.