- #1
choco_moo
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Homework Statement
1. A small bulb is placed in front of a convex lens. It is placed at one focal point of the lens. Draw at least five rays from the bulb that pass through the lens.
Where is the lens located in this case? Explain. (Hint: How are the rays that have passed through the lens oriented? From where do these rays appear to have come?)
Homework Equations
none
The Attempt at a Solution
Sorry I can't show the picture but since the bulb is at the focal point, doesn't that mean it is right on the optical axis? I really don't know how to draw 5 rays from that.