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Unformatted text preview: salinas vela (cfs549) – H03: Atomic Theory 1 – Mccord – (50970) 1 This print-out should have 21 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points What is the correct order of decreasing fre- quency? 1. visible light, ultraviolet radiation, in- frared radiation, radio waves 2. radio waves, infrared radiation, visible light, ultraviolet radiation 3. radio waves, visible light, ultraviolet radi- ation, infrared radiation 4. infrared radiation, radio waves, visible light, ultraviolet radiation 5. ultraviolet radiatioin, visible light, in- frared radiation, radio waves 002 (part 1 of 2) 10.0 points Light with a frequency of 7 . 32 × 10 14 Hz lies in the violet region of the visible spectrum. What is the wavelength of this frequency of light? Answer in units of nm. 003 (part 2 of 2) 10.0 points When an electron beam strikes a block of copper, x-rays of frequency 2 . 5 × 10 19 Hz are emitted. What is the wavelength of these x-rays? Answer in units of pm. 004 10.0 points What kind of radiation causes molecules to vibrate? 1. visible 2. microwave 3. infrared 4. ultraviolet 5. x-rays 005 (part 1 of 3) 10.0 points Sodium vapor lamps, used for public lighting,...
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