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Need help with later magnification and location

  1. Apr 24, 2012 #1
    Need help with later magnification and location!!

    Two lenses, with = +20.0 and = +30.0 , are placed on the axis, as shown in the figure. An object is fixed 50.0 to the left of lens 1, and lens 2 is a variable distance to the right of lens 1.

    Part A
    Find the lateral location of the final image relative to lens 2 for the case = 100 .
    =54.5
    Correct


    Part B
    Find the lateral magnification of the final image relative to lens 2 for the case = 100 .
    =

    One attempt remaining; Try Again


    Part C
    Find the lateral location of the final image relative to lens 2 for the case = 30.0 .
    =3.00
    Correct


    Part D
    Find the lateral magnification of the final image relative to lens 2 for the case = 30.0 .
    =

    Try Again; 4 attempts remaining


    Part E
    Find the lateral location of the final image relative to lens 2 for the case = 0.
    =


    Try Again; 5 attempts remaining


    Part F
    Find the lateral magnification of the final image relative to lens 2 for the case = 0.
    =



    Part G
    Show that your result for part E agrees with the relation for the effective focal length of two lenses in contact, .
    Essay answers are limited to about 500 words (3800 characters maximum, including spaces).
     
  2. jcsd
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