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### Video Transcript

given. We have ah lost here. So in effect class here, light strikes the glass surface and reflects back. We have a normals. You This is angle off incident, which is angle off. Also logistical Dangle off refraction and we have angle off refraction here. Car in this angle, we call it the state of one. Then wait for us to find a better one so that no one will be signed that that one will be visible to N G. I'm side. They, uh, are from here of so sign Sign that one physical to N g. Sign Ngeze and fracturing this offer a glass here is there signed 90 minus state of one. Then we could write Sign that the one is called N G. The sign the into 19 minus theta one is imported all state on one. So bringing this cost of left inside we get saying they don't want Mrs Goto n g so that no one will be better. One will be simply taking it worse off. N g refractive index of the glass

Wesleyan University