1) Microwaves have higher frequencies than x rays a) Correct b) Incorrect 2) Visible light is only a SMALL portion a) Correct b) Incorrect 3) E.S. travel @ speed of sound a) Correct b) Incorrect 4) X-rays scan luggage a) Correct b) Incorrect 5) UV has higher frequency than microwaves a) Correct b) Incorrect 6) E.S. travels @ speed of light a) Correct b) Incorrect 7) Radiant Light travels in a straight line a) Correct b) Incorrect 8) Gamma rays can treat cancer a) Correct b) Incorrect 9) Radio waves can cause cancer a) Correct b) Incorrect 10) E.S. arranged by frequency & wavelength a) Correct b) Incorrect 11) E.S. can travel through a vacuum a) Correct b) Incorrect 12) Radio waves have high frequencies a) Correct b) Incorrect 13) E.S. has all the SAME WAVELENGTH a) Correct b) Incorrect 14) Radio Waves= Lowest frequency a) Correct b) Incorrect 15) Gamma waves have long wavelengths a) Correct b) Incorrect 16) Gamma is Highest frequency a) Correct b) Incorrect 17) Visible light requires a medium a) Correct b) Incorrect 18) E.S. does not need a medium a) Correct b) Incorrect 19) E.S is arranged by brightness a) Correct b) Incorrect 20) EM waves travel at different speeds a) Correct b) Incorrect 21) infrared rays scan luggage a) Correct b) Incorrect

Electromagnetic Spectrum

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