Copy of Lenses
Ray diagram for double convex and double concave lenses.
Drag the point f or f' (which ever is light blue) to change the focal length of the lens.
Drag the point E (light blue) to change the location (horizontal drag) and height (vertical drag) of the object.
The thickness of the lens does not correspond to the focal length.
סימולציה-עדשות
What phenomenon does the failure of all 3 lines to cross neatly at a single point demonstrate?
When is the image right side up?
When is the image real?
When is the image larger than the object?
What happens when you drag f through the lens to the other side? How is that related to the sign conventions for lenses?