Electromagnetic spectrum
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Last updated 11:54 AM on 5/14/25
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4 Terms
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Uses of EM waves
Radio- radio and TV
Microwaves- satellite communication, cooking food
Infrared- electric heaters, cooking food, infrared cameras
Visible- fibre optic communication
Ultra violet- energy efficient lamps, sun tanning
X-rays- imaging bones
Gamma rays- radiotherapy, medical imaging
2
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What are these properties of EM waves on materials?
Transmit
Specular reflection
Diffuse reflection
Absorb
Refract
3
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Label the wavelengths
Radio- produced by oscillations in circuits
Microwaves
Infrared- thermal energy
Visible
Ultra violet- skin damage
X rays- cause cancer
Gamma rays- cause cancer
4
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Concave and convex
Note 
Flashcards (33)