Refraction Ray Diagrams: easiest way to draw ray diagrams | GCSE Physics

[@rapstarsuk9055]

nice clear explanation, thanks.

[@rubabali8459]

I rlly understood smthgs, thx!

[@chocolate8818]

Thank you for tips on how to draw the refraction line👍👍

[@vt.physics]

Welcome 😊

[@qwjk1]

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[@Sanji-wc4ki]

Could you explain how to complete the diagram when the angle of water(denser object) is given? Like for eg, if water is 45°

[@omakatse4441]

You can use Snell's law to calculate the angle of refraction if you need to draw an exact angle.

[@liam2795]

how do we know the angle from the normal line to the refracted ray

[@ayyanahmed8250]

calculate the refractive index of the ray by either using snell's law or n=sin i/sin r

[@yoihenbath]

But how do we know by much angle does the refracted ray bend ?

[@vt.physics]

You can calculate it using Snell's law.

[@qeniee]

@@vt.physics how?

[@jamesdhanraj3048]

how does this relate to gravity and le chatiers principle?

[@mariamallam4940]

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Thank you

[@mathewjgarcia8309]

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[@rafaelagoveia7516]

how do I know if a substance is more of or less dense?

[@vt.physics]

In GCSE, the questions tend to consider a boundary between air and glass, water, or perspex. So it'll be quite obvious that air is less dense than the other media.

[@allyouknow7090]

If the refracted ray bends towards normal the substance(which incident ray strikes) is less dense and if refracted ray bends away from normal the substance is more dense

[@allyouknow7090]

Or if light travels faster it is less dense and if light travels slow it is more dense

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