Electromagnetic Spectrum

Front

Longest wavelength EM waves?

Back

radio

Front

Shortest wavelength EM waves?

Back

gamma rays

Front

EM waves with shorter wavelength than visible:

Back

x-rays

Front

Lowest frequency EM waves:

Back

radio

Front

Highest energy & most dangerous EM waves?

Back

gamma rays

Front

Lowest frequency color waves:

Back

red

Front

Shortest wavelength color waves?

Back

violet

Front

Effect of decreasing wavelength on frequency

Back

increases

Front

Fastest electromagnetic wave in a vacuum?

Back

All travel at the same speed.

Front

A person sees lightning and hears thunder from a distant storm. Why is there a delay in hearing the thunder?

Back

Light waves travel faster than sound waves.