Ah, this prism formula... *i + e = A + δ*, the angle of incidence plus angle of emergence equals angle of prism plus angle of deviation. And the graph, it starts high, dips to a minimum, then rises again, na? Truth is, my Physics copy was full of drawings, but the marks were always 'asil'. Failed my Class 10 because I could never plot that deviation curve correctly. Now I help kids with their homework, and my biggest triumph is when they explain these very graphs to me – my library's old trunk has all their failed attempts, which I keep like treasures.
#education#class
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