1) What wave here doesn't travel at the speed of light? a) Radio waves b) Sound waves c) Micro waves d) Ultra violet waves e) Gamma waves f) Visible Light waves 2) What wave out of the following has the longest wavelength? a) Radio b) UV c) Gamma d) Infra red e) Micro waves f) x-rays 3) Which wave has the smallest frequency? a) Radio b) UV c) x-ray d) microwave e) gamma rays f) infra-red 4) Which of the following is in the correct order of decreasing wavelength? IR = INFRA RED a) IR, Visible, UV b) Visible, IR, UV c) Visible, UV, IR d) IR, UV, Visible e) UV, IR, Visible f) UV, Visible, IR 5) X - rays can be used to diagnose broken bones but high energy x-rays can be used as a patient treatment by...? a) solving skin conditions like acne b) making the healing process in muscles quicker c) treating Seasonal Defective Disorder S.A.D. d) killing off cancerous growths that can not be operated on 6) Thermograms are used to diagnose problems like DVT in patient's legs. What type of radiation does the thermo-camera use to see this problem? a) Gamma rays b) X-rays c) Ultraviolet d) Visible light e) Infra-red f) Micro waves 7) Gamma ray tracers are swallowed and we can trace the path it takes throughout the body. Why is gamma rays used? a) Because xrays are used for broken bones only. b) Because xrays are more dangerous than x rays c) Because gamma rays are completely safe and do no harm to body tissue. d) They can easily escape though bones from the body 8) UV can be split into two sections UVA and UVB. UVB is closer to xrays than UVA. UVA is good in that it allows you to make vitimin ...? a) A b) B c) C d) D e) E f) omega 9) The main advantage of CT scans (that use X-rays) compared to an ordinary xray is that a) it makes the doctors on Holby city sound cool when they send patients to it b) They are like CAT scans for humans c) they give a 3-Dimensional image d) They are faster than x rays e) they are safer than ordinary xrays 10) Which of these statements are false? a) all members of the EM spectrum travel at the speed of ligh b) The higher the frequency of an EM wave the shorter the wavelength c) All EM waves carry energy d) None of the above are false

Electromagnetic Spect

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