A TV aerial must be aligned with the transmitter's polarization because:

  1. radio waves are longitudinal
  2. it improves the speed
  3. radio waves from the transmitter are polarized
  4. it reduces the frequency
Answer

C) radio waves from the transmitter are polarized

Mismatched alignment weakens the signal. SLO P-11-D-05 · Understanding

Physics MCQ · More Polarization MCQs · Practise