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What is the critical angle in degrees for total reflection of light inside a medium with...

What is the critical angle in degrees for total reflection of light inside a medium with refractive index 3.96 when the surrounding medium has a refractive index 1.35? (State answer with 1 digit right of decimal.)

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Answer #1

n = 3.96 N2 = 1.35 12 90 n, sinde = nesinr sinor = Me sin (90) टी Oc {:- r=go]. - 135 sin(go) 3-96 sin O = 0.3409 Oc - 19.93

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