Physical Optics Experiment Box Triangular Prism Convex Lens Concave Mirror Set Junior High School M Specifications: Product Name: Optical Experiment Box Type: Physics Teaching Instrument Material: Acrylic Weight: About 435g Dimensions (length, width and height): 23.5cm 16cm 5cm Features: - Used to explore light Using a laser source, the propagation path of light in the air can be clearly observed in a slightly darker space; - Homemade corner reflector Try to make a corner reflector using the two plane mirrors provided; - Find a home-made periscope In a toothpaste box (or similar paper box), open a small opening near both ends of the box, and place a plane mirror on each side. The two plane mirrors are parallel to each other and at an angle of 45° to the horizontal plane to make the simplest periscope. Packing list: 1 angle turntable screen (with box) 1 small sink 1 spherical mirror (convex mirror and concave mirror on both sides) 1 convex lens 1 concave lens 1 glass brick 1 triangular prism 2 plane mirror 1 brown glass Plate (plane mirror), 3 chess pieces, 1 light source (three-way laser light source), 1 30-column mirror frame