Owing to the wave nature of light there are many ways that such ... microwave radiation beams off each other, creating a time reflection. Although the popular reporting talks about ‘turning ...

To investigate the reflection of light by different types of surface, and the refraction of light by different substances. Remove the block. Join the crosses to show the paths of the light rays ...

The change in direction of a beam of light as it travels from one material to another is called refraction. The normal is a construction line drawn at right angles to the surface of the glass block.