refraction, This makes a straw in water look bent, reflection, Light wave bounces from a mirror plane, transparent, Can be seen through clearly., image, A picture formed by light, spectrum, Scientific word for rainbow, white, Colour that reflects all incident light, incident ray, The light ray coming in, lense, Optical component in glasses and telescopes, normal, The line at a right angle to a surface, glass, Lenses, mirrors and prisms are made of this, black, Colour that absorbs all incident light, ray, Another name for a light beam, translucent, A material that lets most light through but distorts the image, opaque, A material no light passes through

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