Electromagnetic Radiation
The electromagnetic spectrum, its shared wave properties, and its many uses
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Electromagnetic
Video Instruction showmethephysics.com
Teachers' Domain: Infrared Gallery Teachers' Domain, Infrared Gallery,
Electromagnetic Radiation - waves of energy generated by the acceleration of charges
Why can't neutrons make this kind of wave?
Have no charge
- travel at the speed of light in a vacuum
3 x 108 m/s
Electromagnetic
Wave
NASA - Electromagnetic Waves
Charges "shake" off their energy
in waves when they vibrate
Vibrating Charges &
3d Electromagnetic Wave
3d Electromagnetic Wave # 2
Electromagnetic Radiation
- Wavelength and Frequency
Conversion of a DICOM-format X-ray from a ten year old male showing polydactyly. This is the patient's left hand, posterior-anterior projection. Identifying tags and such have been stripped. en:User:Drgnu23, subsequently altered by Grendelkhan, Raul654, and Solipsist.
Meet the Pedoscope
Source - Museum of Quackery - Bob McCoy
Which wave has the (hint: most penetrating)
Gamma Rays,
X-Rays
Which wave has the
Radio
Which Color Has the
Red
Smallest Wavelength?
Violet
Which color of light has a
Green
What is the frequency of light whose wavelength is 6 x 10-7 m?
v = fl
3x108 m/s = f[6 x 10-7 m]
f = 5 x 1014 Hz What color?
Orange
Try this at home Seeing invisible waves with your cellphone
Enrichment
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Waves
