Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
22
Electromagnetic Waves
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22-1: B Produced by Changing E
22-2: EM Waves
22-3: Electromagnetic Spectrum
22-4: Measuring the Speed of Light
22-5: Energy in EM Wave
22-6: Radiation Pressure
22-7: Radio, TV

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 11
Q

An EM wave has frequency 7.14×1014 Hz7.14 \times 10^{14} \textrm{ Hz}. What is its wavelength, and how would we classify it?

A
420 nm. This is visible violet light420 \textrm{ nm. This is visible violet light}

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