1.what waves of radiation extends from radio waves to gamma rays?
A.electric waves
B.electromagnetic waves
C.sound waves
D.seismic waves
2. which best describe a wave in an equilibrium position?
A.at rest
B.at lowest point
C.at highest point
D.at rush
3. describe what happens to the frequency of an EM wave if its wavelength increases?
A.decreases
B.constant
C.increases
D.disappears​