If the Polarising Angle (The Angle at Which Reflected Light $\degree$

question 28

Multiple Choice

If the polarising angle (the angle at which reflected light is completely plane polarised) of a flat piece of sapphire is 60.5 $\degree$ , what is its index of refraction?

• A)1.97
• B)1.77
• C)1.59
• D)2.36
• E)1.82

---

Definitions:

Seat Belts

Protective mechanisms built into vehicles to shield passengers from injurious motion that might occur during an accident or abrupt halt.

Drivers

Individuals who operate vehicles, or factors that cause or influence a process or situation.

Poisson Distribution

A probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space.

Hurricanes

Intense tropical storms with powerful winds and heavy rain, known in some regions as typhoons or cyclones.