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181. A 10.0 cm tall object is 8.00 cm in front of a concave mirror.  The image is 16.0 in front of the mirror.  Describe the image.  Answer
A. 5.00 cm tall, inverted, real C. 20.0 cm tall, inverted, real
B. 5.00 cm tall, upright, real D. 20.0 cm tall, upright, real
       

 

182. Which of the following statements is true for spherical lens and spherical mirrors?  Answer
   
A. Both have spherical aberration but only lens have chromatic aberration.
B. Both have spherical aberration but only mirrors have chromatic aberration.
C. Both have spherical aberration and chromatic aberration.
D. Both have chromatic aberration but only lens have spherical aberration.
     

 

183. A plane mirror will form an image that is  Answer
   
A. Real, upright, same size, with left-right reversal
B. Virtual, upright, same size, with left-right reversal
C. Real, inverted, same size, with left-right reversal
D. Virtual, inverted, same size, with left-right reversal
    

 

184. The focal length of a lens is NOT dependent on the  Answer
   
A. Distance of the object from the lens. C. Color of light incident on the lens
B. Curvature of the lens D. Material used to make the lens
     

 

185. The filament is placed in front of a concave parabolic mirror for a searchlight.   The light reflected forms a parallel beam because the filament is placed  Answer
    
A. half-way between the center of curvature and focal point.
B. at the center of curvature.
C. at the focal point.
D. between the focal point and the mirror
     

 

186.
An ambulance has Ambulance painted so that it reads AMBULANCE in the rear-view mirror.  What does it look like facing the ambulance?  Answer 
     

 

187. Which type of image can be formed by a concave lens?  Answer
  
A. only real images C. either real, inverted; or virtual, upright
B. only virtual images D. either real, upright; or virtual, inverted
     

 

188. Parabolic mirrors are used instead of spherical mirrors to  Answer
  
A. Eliminate chromatic aberration C. Increase the magnification
B. Eliminate spherical aberration D. Decrease the magnification
     

 

189. Which type of image can be formed by a concave mirror?  Answer
A. only real images C. either real, inverted; or virtual, upright
B. only virtual images D. either real, upright; or virtual, inverted

 

      

 

190. A 5.00 cm object is placed 25.0 cm in front of a convex lens with a focal length of 10.0 cm.  The image formed is  Answer
    
A. 3.34 cm tall, 16.7 cm from lens, virtual, and upright.
B. 3.34 cm tall, 16.7 cm from lens, real, and inverted.
C. 1.43 cm tall, 7.14 cm from lens, real, and inverted.
D. 1.43 cm tall, 7.14 cm from lens, virtual, and upright.