Presentation on theme: "Waves and the Electromagnetic Spectrum Ch. 17. What is an electromagnetic wave? A transverse wave A wave that consists of vibrating electric and magnetic."— Presentation transcript:
Waves and the Electromagnetic Spectrum Ch. 17
What is an electromagnetic wave? A transverse wave A wave that consists of vibrating electric and magnetic fields that move through space at the speed of light.
How are they produced? By charged particles being pushed or pulled toward or away from other charged ( + or - ) particles creating the magnetic field.
The Electromagnetic Spectrum Is a complete range of electromagnetic waves placed in order of increasing frequencies. Electromagnetic waves have different wavelengths and different frequencies.
Electromagnetic Spectrum Made up of the following waves and rays 1.Radio waves 2.Microwaves 3.Infrared rays 4.Visible light 5.Ultraviolet light rays 6.X-rays 7.Gamma rays
Long wavelength and low frequency, left side, slow Short wavelength and high frequency, right side, fast Frequency – the number of complete waves that pass through a given point in a certain amount of time. Wavelength – how long or short one wave is.