A fiber optic cable nfiber 206 is submerged in water
A fiber optic cable (nfiber = 2.06) is submerged in water (nwater = 1.35). What is the critical angle for light to stay inside the cable?
Answer in units of degrees
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a fiber optic cable nfiber 206 is submerged in water nwater 135 what is the critical angle for light to stay inside
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