Different colors of light travel at different speeds in a transparent medium.In a vacuum,different colors of light travel at
A)different speeds.
B)the same speed.
C)decreased speed.

Question

Quizplus · Accepted Answer

In a vacuum, all colors of light travel at the same speed, which is the speed of light, approximately 299,792,458 meters per second. This is a fundamental property of light in a vacuum and is one of the foundational principles of modern physics.

Different Colors of Light Travel at Different Speeds in a Transparent