Light waves

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  • Light waves
    • Always put a normal on a ray diagram
    • They travel in transverse waves
    • Can travel through a vaccum
    • When white light travels through a prism it makes a spectrum.
    • Can be reflected, refracted and dispersed
    • Light always travels in straight lines
    • light waves don't need a substance to travel through so can travel through transparent and translucent objects
    • Light can travel up to 300,000,000 m/s in a vaccum
    • Light waves change speed when travelling through something more dense than its come from


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