WebLight is what helps us see things. It can come from different places, like the Sun, or fire, or from electricity in lamps and torches. Light is all around us, like the sunlight in this... WebLight travels as transverse waves and faster than sound. It can be reflected, refracted and dispersed. Ray diagrams show what happens to light in mirrors and lenses. Eyes and cameras detect...
Colour - Light waves - KS3 Physics Revision - BBC Bitesize
WebRefraction can cause optical illusions as the light waves appear to come from a different position to their actual source. Refraction of water waves Water waves will change direction at a boundary ... WebSound waves are longitudinal waves - the vibrations are in the same direction as the direction of travel. The slideshow shows how you can model longitudinal waves using a … dfeh 185 spanish 2021
Lighting and sound design - Designing for productions - BBC Bitesize
WebLight - GCSE Physics (Single Science) Revision - CCEA - BBC Bitesize GCSE CCEA Light Part of Physics (Single Science) 3 learner guides Reflection and refraction of light - CCEA Revise Test... WebApr 22, 2008 · Volume is dependent on how hard the air is pushed through. Sound travels more slowly than light. Sound waves travel at the same speed, but vibrate in different ways. Some vibrate quickly and have a high frequency or pitch, while others vibrate slowly and give a lower pitch. This clip is from: Primary Focus Science. First broadcast: 22 April 2008. WebSound waves are produced by a vibrating object. Everything that makes a sound must have a part that vibrates. A sound wave is a longitudinal wave. When an object vibrates it produces a... church welcome slideshow