Split convex facts from concave

Exercise and reference answers

Left

Convex lens

Items

1. Region

   Convex lens

   Item

   Positive f

2. Region

   both

   Item

   1/v - 1/u = 1/f

3. Region

   Concave lens

   Item

   Negative f

4. Region

   both

   Item

   m = v/u

5. Region

   Convex lens

   Item

   P is positive

6. Region

   Concave lens

   Item

   P is negative

7. Region

   both

   Item

   P = 1/f

Right

Concave lens

Instructions

Drag each fact into the convex ring, the concave ring, or the overlap where it holds for both.

Explanation