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Focal Angle

`theta_f = theta_i+theta_o`
`(theta_i)"image angle"`
`(theta_o)"object angle"`
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The Focal Angle is found using the following equation: `theta_i=theta_f-theta_o`, where:

  • `theta_i`= image angle
  • `theta_o`= object angle
  • `theta_f`= focal angle

References

30.1 A real image formed by a converging mirror  by Benjamin Crowell, Light and Matter  licensed under the Creative Commons Attribution-ShareAlike license.