Which question can Rebecca ask if she is trying to determine if a wave is electromagnetic?

Question

options:

Can the wave travel through a vacuum?
Can the wave travel through a vacuum?

Can the wave transmit matter?
Can the wave transmit matter?

Can the wave transmit energy?
Can the wave transmit energy?

Can the wave travel through a solid?

Answer 1

To determine if a wave is electromagnetic, Rebecca should ask:

Can the wave travel through a vacuum?

This is because electromagnetic waves, such as light, can propagate through a vacuum, while mechanical waves (like sound waves) require a medium to travel through.