Polarizing Sunglasses Are Useful Because They Are Able to

question 20

Multiple Choice

Polarizing sunglasses are useful because they are able to

• A)use the critical angle to block light.
• B)reflect glare.
• C)absorb reflected light, which is polarized.
• D)refract reflected light, which causes glare.

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Definitions:

Negatively Charged Ions

Ions that carry one or more negative electric charges, known to affect environmental and physical health, often found abundantly near waterfalls, forests, and after thunderstorms.

Neuron

A specialized, electrically excitable cell that processes and transmits information through electrical and chemical signals.

Resting Potential

The electrical charge difference across the neural membrane when a neuron is not actively transmitting a signal, typically around -70 millivolts.

Refractory Period

A recovery phase following an orgasm, during which an individual is physiologically unable to experience another orgasm.