Which of the following statements-about electromagnetic waves is not correct?
- They carry energy as they travel through space
- They travel with the speed of light
-
They are longitudinal
- The electric and magnetic fields are at right angles to each other
The correct answer is: C
Explanation
All electromagnetic waves are:
- transverse waves; can travel through a vacuum ;
- travel at exactly the same speed in a vacuum, the speed of light, 300,000,000 m/s.
- transfer energy from one place to another;
- can be reflected;
- can be refracted .
- The oscillations of and are perpendicular to each other and are in the same phase.