This assignment is due before 9 AM, Wednesday,
November 5th, 2003.
Please type your LAST name and first
initial (example: Gavrin, A):
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 button at the bottom of this page.
1.
You want to use alens with a focal length of 20 cm to produce an image on a screen 30 cm away. where should you put the object?
2.
In question 1, above, we used a converging lens. Is it possible to do the same thing with a diverging lens? Please explain how (if possible) or why not (if impossible).
3.
When an object is placed 20 cm from a converging lens with a focal length of 10 cm, the image is
real and inverted
real and erect
virtual and inverted
virtual and erect
Below is a space for
your thoughts, including general comments about
today's assignment (what seemed impossible, what
reading didn't make sense, what we should spend
class time on, what was "cool",
etc.):
You may change your
mind as often as you wish. When you are satisfied
with your responses click the SUBMIT
button.