Flip and pair: symbol with meaning

Exercise and reference answers

Matching pairs

1. A

   u

   B

   object distance

2. A

   v

   B

   image distance

3. A

   f

   B

   focal length

4. A

   R

   B

   radius of curvature

5. A

   P

   B

   power of a lens

6. A

   i_c

   B

   critical angle

Explanation