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Conceptual Physics  (Hewitt) Chapter 29: Reflection and Refraction   3) 
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The  incident light ray, the reflected light ray, and the normal between them  A) 
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lie in the same  plane.  B) 
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may or may not  lie in the same plane.  C) 
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lie in planes that are perpendicular to one another.  Answer:  
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  4) 
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Object  and image for a plane mirror lie  A) 
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along the same  plane.  B) 
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equal distances  from the mirror.  C) 
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at right angles  to each other.  D) 
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all of these  E) 
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none of these  Answer:  
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  5) 
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The law  of reflection holds for  A) 
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plane mirrors.  B) 
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curved mirrors.  C) 
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both of these  D) 
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neither of these  Answer:  
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7) 
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Diffuse  reflection occurs when the size of surface irregularities is  A) 
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small compared  to the wavelength of the light used.  B) 
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large compared  to the wavelength of the light used.  C) 
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microscopic.  Answer:  
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9) 
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When  light reflects from a surface, there is a change in its  A) 
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frequency.  B) 
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wavelength.  C) 
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speed.  D) 
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all of these  E) 
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none of these  Answer:  
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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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