physics flashcards 0.0 / 5 ? AllphysicsFunNone Created by: AbbywCreated on: 13-05-15 20:26 how does light travel? in straight lines 1 of 12 How fast does light travel? 300 000km/s 2 of 12 what is a narrow beam of light called? a ray 3 of 12 what two things can light do? it can be absorbed or reflected 4 of 12 what is a material called when light cannot pass through it? opaque 5 of 12 what are the colours in order of the rainbow? red,orange,yellow,green,blue,indigo,violet 6 of 12 what is it called when only some light can pass through a material? translucent 7 of 12 what is it called when light can totally pass through a material? transparent 8 of 12 if i had a red filter, what colour would the light be at the other end? red 9 of 12 what happens through a filter? the filter absorbs every colour other than the one it is. 10 of 12 what is a primary colour and what are they (in terms of light)? a unmixed colour ("ready-made colour). green,red,blue. 11 of 12 what are secondary colours and what are they (in light terms)? mixed colours formed by primary colours. magenta, cyan,yellow 12 of 12
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