PHYS 204 Week 7 iLab 11 / DeVry

PHYS 204 Week 7 iLab 11 / DeVry

 

 

Complete course guide available here – http://class-tutor.com/doc/phys-204/phys-204-week-7-ilab-11-devry/

 

HOMEWORK Description

PHYS 204 Week 7 iLab 11

Prediction

What kind of image will you see through a convex lens? What factors might affect the size of the image?

What happens to the image if half of the lens is covered?

Explore

  1. Write a description of what happens to the image size when you change the position of the lens.
  2. Describe whether the image is upright or inverted.
  3. What happens to the image if half of the lens is covered with an opaque object?

Analysis

  1. The graph shows Inverse Image Distance (vertical axis) versus Object Distance (horizontal axis). The graph also shows a curve fit for the data. Write a description of the graph.
  2. Paste your graph here.
  3. What is the slope and y-intercept from the linear fit to your data?
  4. From the line fit, what is the focal length of the double convex lens?

Questions

  1. What value does the image distance approach as the object distance becomes larger?
  2. What value does the object distance approach as the image distance becomes larger?
  3. What is the relationship between image distance and object distance (directly related or inversely related)? Give evidence supporting your answer.
  4. Where would you place the object to obtain an image as far away from the lens as possible?
  5. Where would you place the object to obtain an image located at the focal length of the lens (100 mm)?
  6. Using your answer from above and your experiences in this activity, explain why fixed lens cameras require that the subject of the photo be a minimum distance from the lens.

 

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