quiz 7 D - Exam Phys 2C, Quiz 7...

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Unformatted text preview: Exam Phys 2C, Quiz 7 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is a WRONG statement? A) In an electromagnetic wave, the electric and magnetic fields are always perpendicular to each other. B) An evidence for expansion of the universe is shift towards lower frequencies in the spectra of distant galaxies C) In an electromagnetic wave, the electric and magnetic field always oscillate in phase. D) These electromagnetic waves are listed in the order of increasing wavelengths: UV-light, X-rays, microwaves, radio waves. 2) Which of the following is a WRONG statement: A) The Doppler shift in the frequency of an electromagnetic wave is the same, whether it's the source that moves or the observer. B) The speed of electromagnetic waves in vacuum (free space) does not depend on their frequency or wavelength C) Whether or not the Doppler effect in sound waves involves change in the wavelength depends on...
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This note was uploaded on 11/18/2011 for the course PHYS 2C PHYS 2C taught by Professor Groisman during the Spring '11 term at UCSD.

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quiz 7 D - Exam Phys 2C, Quiz 7...

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