1) The speed of light in a vacuum is a) 3 x 10^8 m/s b) 3 x 10^8 km/s c) 3 x 10^18 m/s d) 3 x 10^-8 m/s 2) The speed of x-rays in a vacuum is a) 2.95 x 10^8 m/s b) 3 x 10^8 m/s c) 3.11 x 10^8 m/s d) 1.3 x 10^8 m/s 3) A typical radio wave length a) 20m b) 20mm c) 20micrometers d) 20nm 4) A similarity between visible light and UV is they both a) Have a longer wavelength than x-rays b) Are detected by the eye c) come from high temperature solids and gases d) have a lower frequency than IR 5) The range of wavelength of visible light is a) 0.20-0.36mm b) 800-850nm c) 370-740nm d) 100-300nm 6) 10^-14 m is a typical wavelength for a) gamma b) x-rays c) UV d) none of the EM spectrum 7) cm would be used to measure a) radio waves b) microwaves c) infrared d) visible light 8) The parts of the EM spectrum which are used most often to diagnose cancer are a) x-rays b) gamma rays c) visible light d) gamma and x-rays 9) 10^-8 m is a typical wavelength for a) gamma b) x-rays c) UV d) visible 10) Mobile phones communicate via a) radio waves b) microwaves c) IR d) Visible 11) This part of the spectrum has no known effect on living tissue a) radio b) microwaves c) IR d) visible 12) A similarity between all EM waves is that they are all a) can penetrate the Earth's atmosphere b) need particles to travel c) longitudinal d) transverse 13) The part of the spectrum which causes tanning is a) UV-A b) UV-B c) UV-C d) All UV 14) The part of the spectrum which causes skin cancer is a) UV-A b) UV-B c) UV-C d) All UV 15) The part of the spectrum which is blocked by the Earth's atmosphere is a) 100-280nm b) 280-315nm c) 315-400nm d) all of the above 16) Sunscreen is developed to block a) UV-A b) UV-B c) UV-C d) All UV 17) In the quiz, I think I did a) Very well b) Good c) OK d) Not great e) Terrible, I didn't study.

AS EM Spectrum Quiz

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