The optical fiber has a core with a refractive index of 1.47, and a cladding with a refractive index of 1.46, The amount of NA for this optical fiber was calculated and found to be equal to: O 1.1 0.3 O 0.07 O 2 O Not from the above

A small lamp is 5.0 m below the surface of a lake. It emits light in all directions. A boat goes from directly over the lamp to the first point where the lamp can no longer be seen. How far, in m, does the boat travel? Take the refractive index of water to be 1.30 and the refractive index of air to be the same as that of a vacuum. O 6.0 11 50 O 1.2 O 21 8.3

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White light is sent through an interface of a 100% (w/v) glycerol solution (n = 1.474) and a 20% (w/v) sucrose solution (n2 = 1.364) at an angle of Oj. Incident ray Reflocted ray If O, = 33', determine the angle of O2 in degrees. Refructive index = , O2 Refractive index – n, If O, = 0, determine the angle of 02 in degrees. Refractod ray