A Light Beam Has Speed C in Vacuum and Speed

question 92

Multiple Choice

A light beam has speed c in vacuum and speed v in a certain plastic.The index of refraction n of this plastic is

• A)n = cv.
• B)n = (v/c)².
• C)n = v/c.
• D)n = c/v.
• E)n = (c/v)².

---

Definitions:

Copyright Information

Legal details that specify the rights the author or owner holds over the material, including how it can be used by others.

Main Point

The most important or central idea in a discussion, presentation, or piece of writing.

Visual's Message

The idea or information that a visual element is intended to convey to its viewer.

Forecasting Pattern

A method or technique used to predict future trends or behaviors based on historical data.