Electromagnetic Radiation - waves of energy generated by the acceleration of charges

 Electromagnetic Wave - Santa Barbara City College

The graphic above comes from an excellent NASA website on Electromagnetic Waves

 

 

Charges "shake" off their energy in waves when they vibrate


Electromagnetic Radiation

 

 - Wavelength and Frequency - Spectrum - © W. Bauer

 

Which wave has the
smallest wavelength?

(hint: most penetrating)

Which wave has the
smallest frequency?

 

 

 

Radio Waves

 

Which color has the
greatest wavelength?

 

 

 

 

Red

 

 

Smallest Wavelength?

 

 

 

 

Gamma Rays

Lasers, Frequency, &  Wavelength - Physics 2000