Darkness, Sunlight and Reflection - Results Tables

The exploration of light and its interaction with various conditions and materials is detailed across several experiments, each with their respective results tables. The first investigation focuses on measuring the brightness, in lux (lx), of different environments: a room with lights on, a room with lights off, and under a blackout cloth. This helps to quantify how dark certain conditions are. Another study examines the effect of mirror positioning on the reflection of a toy figure. By altering the angle between two mirrors, the number of reflected toy figures is observed at various angles from 180 degrees down to 30 degrees.

An additional experiment investigates the fundamental principles of optics by exploring the relationship between the angle of incidence and the angle of reflection. The findings are recorded by matching angles of incidence with corresponding angles of reflection, ranging from 10 degrees to 80 degrees. Furthermore, research into the best material for sunglasses involves testing various objects, categorised by their properties as transparent, translucent, or opaque. The intensity of light from a torch, the apparent brightness of the object, and the amount of light that passes through each object are meticulously measured in lux. Materials such as drinking glasses, plastic bottles, exercise books, wooden tables, and various types of paper and cellophane are evaluated to determine their suitability for sunglass lenses.