P5: Refraction and Dispersion Flashcards

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1
Q

White light can be split into different colours using a …?

A

……prism

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2
Q

The colours of the spectrum (rainbow) are….

A

……red, orange, yellow, green, blue, indigo and violet

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3
Q

Violet light has the …………………….. wavelength and is refracted the ………………………….

A

shortest, most

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4
Q

The primary colours of light are?

A

red, blue and green

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5
Q

The secondary colours of light are ?

A

cyan, magenta and yellow

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6
Q

When we mix the three primary colours we get ?

A

White light

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7
Q

When we mix the primary colours of green and red we get?

A

yellow

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8
Q

Which colour of light does a red filter allow to transmit?

A

Red

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9
Q

What happens to the colours other than red when we shine white light through a red filter?

A

They are absorbed

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10
Q

The special type of refraction which occurs when white light splits into a spectrum is called ……….

A

……. dispersion

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11
Q

When light travels from one medium to another it gets…?

A

……refracted

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12
Q

When light enters into glass or water (from the air), it ………………………………………………………………………….

A

…..slows down and changes direction

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13
Q

When light travels into glass or water it bends ________ the normal

A

towards

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14
Q

When light exits from water or glass into air, it bends _________ _________ the normal

A

away from

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15
Q

The lenses in our eyes are ________ or converging lenses.

A

convex

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