19

Biology with MasteringBiologyâ„¢ (8th Edition)

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  MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.  1) 
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A 35 mm  camera  equipped  with a  45  mm focal  length lens is  used to  photograph a  tree 15 m  tall. The  aperture of  the lens is  set at f/ 2.  The aperture  diameter at  f/ 2, in mm,  is closest to: 
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1)  _______  A) 
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27 
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B) 
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18 
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C) 
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23 
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D) 
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14 
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E)  3 1  
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A 35 mm  camera  equipped  with a  40  mm focal  length lens is  used to  photograph a  tree  17 m  tall. The  aperture of  the lens is  set at f/8. A  32 mm high  image of the  tree on the  film is  required.  The required  distance,  between the  tree and the  camera, to  take the  photograph  is closest to: 
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2)  _______  A) 
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22 m 
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B) 
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26 m 
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C) 
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23 m 
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D) 
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24 m 
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E)  2 1 m  
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A simple  camera lens  with focal  object length    perfectly  focuses the  image of an  object on a  photographi c film  located a  distance    away from  the lens. The  object now  moves away  from the  lens and the  new focal  distance is    (a) How far  did the  object  move? (b)  What is the  new  magnificatio n? 
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3)  _______  A) 
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(a)  12.22 cm (b)  4.33 
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B)  (a)   0.03 cm (
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(a)  0.08 cm (b)  3.33 
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D)  (a)   990.00 cm (   4
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The image  of a tree on a  35 mm color  slide is    high. It is to  be projected  onto a  screen    from the  slide, and is  to appear    high. (a)  What focal  length lens  (in meters)  is needed?  (b) What is  the distance  in meters  between the  lens and the  slide? (c)  What is the  magnificatio n of the  system? 
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4)  _______  A) 
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(a)  0.02 m (b)   - 0.02 m (c)  0.00 
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This document was uploaded on 04/16/2010.

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19 - MULTIPLECHOICE. 1 A35mm camera equipped witha45...

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