good CH_27_Light_on-line_Vc - ConceptualPhysicsHewittCh27...

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Conceptual Physics  Hewitt  Ch 27   1) 
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Most of  the waves in the electromagnetic spectrum are   A) 
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red light.  B) 
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blue light.  C) 
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green light.  D) 
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invisible.  Answer:  
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Diff: 1  Topic: Properties of Light    2) 
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Electroma gnetic waves consist of  A) 
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compressions  and rarefactions of electromagnetic pulses.  B) 
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oscillating  electric and magnetic fields.  C) 
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particles of light energy.  D) 
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high - frequency  gravitational waves.  Answer:  
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Diff: 1  Topic: Properties of Light      4) 
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A source  of electromagnetic waves is  A) 
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Stationary  charged particles .  B) 
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vibrating atoms.  C) 
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accelerating  electric charges.  D) 
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crystalline  fluctuations.  E) 
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none of these  Answer:  
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Diff: 1  Topic: Properties of Light    5) 
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Electroma gnetic waves can travel  A) 
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through a  vacuum.  B) 
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through a  medium.  C) 
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through either a  medium or a vacuum.  Answer:  
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Diff: 1  Topic: Properties of Light    6) 
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The main  difference between a radio wave and a light wave is its  A) 
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speed.  B) 
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wavelength.  C) 
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frequency.  D) 
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all of these  E) 
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This note was uploaded on 11/18/2010 for the course CPHY 101 taught by Professor Jay during the Spring '10 term at University of Massachusetts Boston.

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good CH_27_Light_on-line_Vc - ConceptualPhysicsHewittCh27...

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