Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Electromagnetic waves are propagated by oscillating electric and magnetic fields oscillating at right angles to each other.Electromagnetic waves travel with a constant velocity of  3 x 108 ms-1 in vacuum.
 the waves are not deflected by electric or magnetic field.
 the waves can show interference or diffraction.
the waves are transverse waves.
the waves may be polarized.
 Electromagnetic waves need no medium of propagation. The energy from the sun is received by the earth through electromagnetic waves.
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts