What is the critical angle for glass which has a refractive index of n=1.6?

Question

What is the critical angle for glass which has a refractive index of n=1.6?

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Thiên Ân 7 months 2021-07-15T22:11:23+00:00 1 Answers 5 views 0

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    2021-07-15T22:13:19+00:00

    Answer:38.7

    Explanation:

    Refractive index=n=1.6

    Critical angle=c

    n=1/sinc

    1.6=1/sinc

    Cross multiply

    1.6xsinc=1

    Divide both sides by 1.6

    (1.6xsinc)/1.6=1/1.6

    sinc=1/1.6

    sinc=0.625

    c=sin(inverse)(0.625)

    c=38.7

    Critical angle is 38.7°

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