# refraction a level

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#1
help WITH 2C AND 2D PLEASE
https://www.physicsandmathstutor.com...Refraction.pdf
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1 month ago
#2
If you draw a vertical line connecting the end of the dotted line and p, it will make a triangle and you can work out the critical angle from that. Then for 2D, you know the refractive index of the glass and know the critical angle so you can so you can work out the refractive index of the water
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#3
(Original post by tej3141)
If you draw a vertical line connecting the end of the dotted line and p, it will make a triangle and you can work out the critical angle from that. Then for 2D, you know the refractive index of the glass and know the critical angle so you can so you can work out the refractive index of the water
ahhh i see thank u i didnt read the first part properly
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