Higher Physics - Refraction 1

Higher Physics - a question on refraction including calculation of the critical angle and explanation of visible spectrum production

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[diabloo]

thanks a lot - very helpful. I hope you will be able to make videos on the electricity unit as that is the one that I'm struggling with the most. thanks again

[mrkcarey_pdf]

I have a question about refraction. Why does the refractive index increase when wavelength decreases?

[milu]

In part a, aren't u supposed to calculate sin of angle 2 using sin(19) / 1.49 ?