Free tutorials on optics with examples, questions and problems with detailed solutions. The concepts of reflection, refraction, total internal reflection are discussed and their applications highlighted through examples and questions with solutions and clear and self explanatory diagrams.
Questions to practice for the SAT Physics test on optics are also included with their detailed solutions. The discussions of some applications of optics concepts such fiber optics are included.

Reflection and Refraction of Light

• Reflection of Light Rays, Examples and Solutions.
• Refraction of Light Rays, Examples and Solutions.
• Total Internal Reflection of Light Rays at an Interface, Examples and Solutions.

• Optical Fibers.
• Numerical Aperture of Optical Fibers.
• Optical Lenses Principles and Applications.

• Optics Questions with Solutions. Questions suitable for the SAT physics tests.

Formulas and Constants

• Physics Formulas Reference
• SI Prefixes Used with Units in Physics, Chemistry and Engineering
• Constants in Physics, Chemistry and Engineering