2. Which waves have the longest wavelength and lowest energy on the electromagnetic spectrum? (1 point)
a. X-rays
b. infrared
c. radio waves
d. gamma rays
6 answers
I think it's a. X-rays
Ever see a low frequency radio antenna :) ?
there are radio waves kilometers long.
see:
http://en.wikipedia.org/wiki/Electromagnetic_spectrum
there are radio waves kilometers long.
see:
http://en.wikipedia.org/wiki/Electromagnetic_spectrum
Look at the chart on the right of that link and the legend beneath it.
what process describes the transfer of heat through matter by molecular activity
its radio waves
radio waves.