Lab Ray Diagrams for Converging Lenses

Case I: the object is located infinitely far away

Refer to the following information for the next five questions.

The image is formed on the line between region ____ and ____.
Choose the correct property. This image is
Choose the correct property. This image is
Choose the correct property. This image is
 The purpose of this construction is to locate the ____ which defines the focal length of the lens.

Case II: the object is located in Region I

Refer to the following information for the next four questions.

The image is formed in region ____.
Choose the correct property. This image is
Choose the correct property. This image is
Choose the correct property. This image is
Using the results of your diagram, measure each of the following four distances. Then calculate each magnification and the percent difference between their values.

 measurements (cm)
 O =
 do =
 di =
 I =

 magnification comparisons
 M = |di/do|
 M = |I/O|
 % difference =

Case III: the object is located exactly two focal lengths in front of the lens

Refer to the following information for the next four questions.

The image is formed on the line between region ____ and ____.
Choose the correct property. This image is
Choose the correct property. This image is
Choose the correct property. This image is
Using the results of your diagram, measure each of the following four distances. Then calculate each magnification and the percent difference between their values.

 measurements (cm)
 O =
 do =
 di =
 I =

 magnification comparisons
 M = |di/do|
 M = |I/O|
 % difference =

Case IV: the object is located in Region II

Refer to the following information for the next four questions.

The image is formed in region ____.
Choose the correct property. This image is
Choose the correct property. This image is
Choose the correct property. This image is
Using the results of your diagram, measure each of the following four distances. Then calculate each magnification and the percent difference between their values.

 measurements (cm)
 O =
 do =
 di =
 I =

 magnification comparisons
 M = |di/do|
 M = |I/O|
 % difference =

Case V: the object is located exactly one focal length in front of the lens

Refer to the following information for the next two questions.

Choose the correct property. This image is
because

Case VI: the object is located in Region III

Refer to the following information for the next four questions.

The image can be formed in region ____, region ____, or region ____.
Choose the correct property. This image is
Choose the correct property. This image is
Choose the correct property. This image is
Using the results of your diagram, measure each of the following four distances. Then calculate each magnification and the percent difference between their values.

 measurements (cm)
 O =
 do =
 di =
 I =

 magnification comparisons
 M = |di/do|
 M = |I/O|
 % difference =
 Teacher Certification:

This form is to be completed individually at the completion of your lab. Input only your numerical values - the correct units have already been supplied on the form. Make sure that your teacher or his/her designee signs off the Teacher Certification area before posting your final submission.