LogoLog inSubscribe

Secondary focal point #2

Learning objectives

  • To illustrate the ray tracing method using the secondary focal point

Ray diagram using the secondary focal points.

The “handle” on the black ray allows you to change the angle of incidence. Click three times on “play” to activate each of the three steps in the construction.

Click and drag the handle to modify the incidence angle.

Click three times on [play] to show the construction step by step.

Discover EduMedia for free

The interactive encyclopedia that brings science and math to life in the classroom.

sourceOver 1,000 resources

School level

Sign up for our newsletter