1.

A ray is traveling in a glass cube placed in water. Find the critical angle for the glass_water interface (REFRACTIVE INDEX OF GLASS AND WATER ARE 1.5 AND1.33 REFRACTIVELY

Answer»

ANSWER:

n2/n1=1/sinc

n2=1.5=3/2

n1=1.33=8/6

sinc= sinc

1.5/1.33=1/sinc

sinC=1.33/1.5

=8/6/3/2

=8/6*2/3

=8/9

C=sin-1(8/9)



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