Lighting Device for Physics Optics Experiment A practical teaching tool that makes the principles of reflection and refraction visible and easy to explore. Designed for intuitive, hands on demonstrations, this lighting device supports classroom lessons, student labs, and home experiments by producing a clear beam that highlights how light behaves at material boundaries. Key benefits Makes abstract concepts visible: clearly shows incident, reflected, and refracted rays so students can connect theory to observation. Improves learning and engagement: supports active experiments that reinforce lecture material and textbook problems. Ready for repeated use: built for regular demonstrations and hands on student activities. Versatile compatibility: works with common optics components such as lenses, prisms, mirrors, optical benches, and transparent blocks. Main attributes Function: provides a focused light source suitable for reflection and refraction experiments and for tracing beam paths. Compatibility: designed to integrate with standard educational optics equipment and laboratory setups. Size and portability: compact format that is easy to position on a desk or bench and simple to move between classrooms or lab stations. Material and build: constructed for classroom use and repeated handling. Performance: produces a stable, visible beam that can be aligned and adjusted for precise demonstrations. Practical applications Classroom demonstration: visibly demonstrate Snell's law and the relationship between angle of incidence and angle of refraction using a glass or acrylic block. Student laboratory exercise: enable small groups to measure angles, calculate refractive index, and compare predicted values with observed results. Science fair or project display: support experiments that illustrate concepts such as total internal reflection, critical angle, and beam deviation through prisms. Usage notes Place the device on a level surface and align the beam with the optical element under study. Combine with protractors, screens, or tracing paper to record ray positions and angle measurements. Designed for educators and students who need a straightforward, hands on way to explore core optics concepts. This lighting device is a focused educational tool for anyone teaching or learning the fundamentals of light behavior through reflection and refraction.