Electromagnetic Waves

Meera Gandhi

What kind of disturbance creates an EM wave?

Disturbances in the electric and magnetic fields which are connected. Usually this disurbance takes place in an electron.

Picture From: http://www.sciencecompany.com/Assets/images/EMSpectrum.jpg

How are mechanical waves and EM waves different?

Mecahnical waves are created by a distubance in a particle, and the wave needs a medium to travel. EM waves do not need any medium to travel because they travel through vacuums, and they are moving electromagnetic radiation.

Picture From: http://www.smartsciencepro.com/types-waves-electromagnetic/

Properties of EM waves.

Discovery Education Video

Types of electromagnetic waves


Works Cited

"BBC." The Elctromagneic Spectrum. BBC - GCSE Bitesize, n.d. Web. 7 Apr. 2016. <http://www.bbc.co.uk/schools/gcsebitesize/science/aqa_pre_2011/radiation/the_electromagnetic_spectrumrev1.shtml>.

"The Electromagnetic and Visible Spectra." The Electromagnetic and Visible Spectra. Physics Classroom, n.d. Web. 07 Apr. 2016. <http://www.physicsclassroom.com/class/light/Lesson-2/The-Electromagnetic-and-Visible-Spectra>.