Which electromagnetic wave has the longest wavelength?
AX-rays
Binfrared
Cradio wavesCORRECT
Dmicrowaves
JAMB UTMEPhysics
AI
Toaster Teacher
Why the answer is C, and why the others tempt you.
Radio waves have the longest wavelengths in the EM spectrum (km-scale).
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →
Practice more Physics questions
JAMB UTME Physics has thousands more questions like this — with Worked answers on every one.