Warming up on optical instruments (The last one!)

This assignment is due before 9 AM, Wednesday, December 6th, 2000.

Please type LAST name:

Please type your Student ID Number:

The following three questions refer to the material you were to read in preparation to the lesson. Questions one and two require you to write a three or four sentence response. Number three is a multiple choice question. Click in the appropriate circle.

You may change your mind as often as you wish. When you are satisfied with your responses, click the SUBMIT HOMEWORK button at the bottom of this page.

WarmUp questions are worth 5 points each towards your "Homework and Web Assignments" score (250 points total).




1.


Please explain the difference between the magnification (m) and the angular magnification (M).



2.

Let's say you have a prescription for contact lenses of -2 diopters. If you accidentally get glasses made to the same strength, your prescription will be a bit off, and you won't be able to focus at infinity. Estimate how far you will be able to focus.





3.

If you are nearsighted, your eye focuses distant objects

Behind your retina

On your retina, but poorly

In front of your retina

At infinity

Below is a space for your thoughts, including general comments about today's assignment. What was hard or confusing (or cool)? What would you like to spend extra time on in class? Do you see how this subject fits in with the others we have discussed?




You may change your mind as often as you wish. When you are satisfied with your responses click the SUBMIT button.

I received no help from anyone on this assignment.



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