Electromagnetic Waves. Electromagnetic Wave A transverse wave that transfers electrical and magnetic energy. Consists of vibrating electric and magnetic.

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Presentation transcript:

Electromagnetic Waves

Electromagnetic Wave A transverse wave that transfers electrical and magnetic energy. Consists of vibrating electric and magnetic fields. Move at the speed of light. Do not need a medium to travel through.

Electromagnetic waves behave like waves They also behave like moving particles

Waves

Particle model When a beam of light shines on some substances it causes electrons to move. Sometimes it can even knock the electron out of a substance. This is called the photoelectric effect. The particle of light energy is called a photon.