What sort of wave is a light wave?
Correct answer: Electromagnetic
Tom
All waves are periodic. It is a major part of their character.
arohanui
I can't say a kerosene lamp is modern!
littlepuppy
I love making a fire & sitting by it in winter.So calming& relaxing
mukesh sharma.mahakall.b
great life is wonderful.major.part.of.their.character