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Author Question: When light travels from one medium to anotherfrom air to water, for instanceit ... (Read 70 times)

sjones

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on: Feb 28, 2021
Solve the problem.

When light travels from one medium to another—from air to water, for instance—it changes direction. (This is why a pencil, partially submerged in water, looks as though it is bent.) The angle of incidence θi is the angle in the first medium; the angle of refraction θr is the second medium. (See illustration.) Each medium has an index of refraction—ni and nr, respectively—which can be found in tables. Snell's law relates these quantities in the formula
ni sinθi = nr sin θr
Solving for θr, we obtain
θr = sin-1
Find θr for fused quartz (ni = 1.46), ethyl alcohol (nr = 1.36), and θi = 8.5°.
Precalculus ¦ Sullivan ¦ 10th Edition
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Marked as best answer by sjones on Feb 28, 2021

lcapri7

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Reply #1 on: Feb 28, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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sjones

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Reply 2 on: Feb 28, 2021
Excellent

bblaney

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Reply 3 on: Yesterday
Wow, this really help

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