Question

Alight ray enters a rectangular block of plastic at an angle oro,4ss. and emerges at an angleofs,-73がasean noe nere below. (a) Determine the index of refraction of the plastic (b) If the light ray enters the plastic at a point L-50.0cm from the bottom edpe, what time interval is requires for the light ray to travel tvrough the plastic
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Answer #1

50, Relceetiwe incjex - h - .192998954 hs レ Yi 83.6311 3936 cm he

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