Question

Which describes how electromagnetic waves travel

a. They can only travel through a medium.

b. They can travel through a vacuum but not through matter.

c. They can travel through matter and through a vacuum.

d. They can only travel through matter.

Answer 1

B should be the answer

Answer 2

Answer: c. They can travel through matter and through a vacuum.

Explanation: Electromagnetic waves are waves which do not require medium to travel. Example: Light

Mechanical waves are waves which require material medium to travel through them.  Mechanical waves require the presence of a material medium in order to transport their energy from one location to another. Example: Sound

Mechanical waves  can only travel through a medium and they can only travel through matter.