Question

Mechanical waves require a medium (matter) in order to travel, an example is _____________. Electromagnetic waves do not need a medium to travel and an example is ____________ A) light; sound B) sound; light C) air; space D) space; solid

Answer 1

The answer is B. sound; light

Step-by-step explanation:

• Water and sound waves are mechanical and require a medium in order to travel. Light and radio waves are not mechanical but rather electromagnetic and do not need a medium.