• Pentalaser
• Reflection’s laws
• The reflection in concave mirrors
• The reflection in convex mirrors
• Refraction’s laws
• The refraction across a plate with plane and parallel faces
• The converging lenses’ refraction
• The divergent lenses’ refraction
• Measure of the liquid refraction index
• Total reflection
• Total reflecting prisms
• The periscope
1 Pentalaser with its power supply
1 Flexible mirror
1 Plate with plane and parallel faces
1 Semicircle lens
1 Converging lens
1 Diverging lens
1 Hollow semicircle
1 Rectangular prism
1 Trapezoidal prism
2 Rubber gloves
1 Cleaning cloth
1 Magnetic board
1 Case