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WAEC Physics 2022 Paper
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© africaexams.com
Question : 39
Total: 50
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
Validate
Solution:
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.
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