Complete the lens formula

Exercise and reference answers

Missing parts

1. Answer

   1/f

   Choices

   1. 1/f
   2. 1/v
   3. f/v

2. Answer

   1/v

   Choices

   1. 1/v
   2. v
   3. u

3. Answer

   1/u

   Choices

   1. 1/u
   2. u
   3. f

Complete the statement

The lens formula relates focal length f, image distance v, and object distance u as: {0} = {1} − {2}