concave (diverging) lens - a lens that spreads beams of light out, used in spy holes, convex (converging) lens - a lens that brings a beam of light to a focus, used in the eyes and cameras, diffuse (scattering) - the reflection of light from a rough surface, light is scattered in all directions, dispersion - the separation of the colours in white light into a continuous spectrum, focal length - the distance from the centre of a lens to the principal focus (focal point), inverted (of an image) - upside down, prism - a triangular-shaped piece of glass used to produce a spectrum, ray diagram - a diagram that uses rays to model what happens to beams of light, real image - an image that you can put on a screen, short sight - an inability to see distant objects, virtual image - an image produced by a mirror that appears to be present, but which cannot be seen on a screen,

P5.3 Wave Interaction

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

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