In a Laboratory Experiment, a Rectangular Tank Made of a Transparent

question 45

Multiple Choice

In a laboratory experiment, a rectangular tank made of a transparent solid is filled with an unknown liquid. A submersible laser is placed in the tank, with the beam directed toward the liquid-solid interface at the bottom. By adjusting the aim of the laser, you find that the reflected ray is fully polarized when the angle of incidence is 54°. What is the angle of refraction of the ray transmitted into the solid tank bottom in this case?

• A) 39°
• B) 47°
• C) can't answer this without knowing the indices of refraction.
• D) 36°

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Definitions:

Median Cubital Vein

A superficial vein located in the cubital fossa that is often used for venipuncture or to place an intravenous catheter.

Cephalic Vein

A superficial vein running along the lateral aspect of the arm from the hand to the shoulder, commonly used for venipuncture.

Fasting Blood Glucose

The level of glucose (sugar) in the blood after an individual has not eaten for at least 8 hours, used to test for diabetes and pre-diabetes.

mg/dL

Milligrams per deciliter, a unit of measurement for concentrations of substances in a liquid.