P5: Refraction and Dispersion Flashcards
White light can be split into different colours using a …?
……prism
The colours of the spectrum (rainbow) are….
……red, orange, yellow, green, blue, indigo and violet
Violet light has the …………………….. wavelength and is refracted the ………………………….
shortest, most
The primary colours of light are?
red, blue and green
The secondary colours of light are ?
cyan, magenta and yellow
When we mix the three primary colours we get ?
White light
When we mix the primary colours of green and red we get?
yellow
Which colour of light does a red filter allow to transmit?
Red
What happens to the colours other than red when we shine white light through a red filter?
They are absorbed
The special type of refraction which occurs when white light splits into a spectrum is called ……….
……. dispersion
When light travels from one medium to another it gets…?
……refracted
When light enters into glass or water (from the air), it ………………………………………………………………………….
…..slows down and changes direction
When light travels into glass or water it bends ________ the normal
towards
When light exits from water or glass into air, it bends _________ _________ the normal
away from
The lenses in our eyes are ________ or converging lenses.
convex
