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A Tank Holds a Layer of Oil,of Thickness To =

Question 21

Multiple Choice

A tank holds a layer of oil,of thickness To = 1.43 m,that floats on a layer of syrup of thickness Ts = 0.640 m,as shown in the figure.Both liquids are clear and do not mix together.A light ray,originating at the bottom of the tank at point P,crosses the oil-syrup interface at a point 0.900 m from the axis.The ray continues and arrives at the oil-air interface,2.00 m to the right of P and at the critical angle.What is the index of refraction of the oil? A tank holds a layer of oil,of thickness T<sub>o</sub> = 1.43 m,that floats on a layer of syrup of thickness T<sub>s</sub> = 0.640 m,as shown in the figure.Both liquids are clear and do not mix together.A light ray,originating at the bottom of the tank at point P,crosses the oil-syrup interface at a point 0.900 m from the axis.The ray continues and arrives at the oil-air interface,2.00 m to the right of P and at the critical angle.What is the index of refraction of the oil?   A) 1.64 B) 1.62 C) 1.60 D) 1.66 E) 1.68


A) 1.64
B) 1.62
C) 1.60
D) 1.66
E) 1.68

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