When Light Travels Across the Interface from a Material with a Higher

question 9

Multiple Choice

When light travels across the interface from a material with a higher index of refraction to a material with a lower index of refraction,which of the following statements is always true?

• A)The light never bends away from the interface between the two materials.
• B)The light never bends toward the interface between the two materials.
• C)The light never travels in a straight line across the interface between the two materials.
• D)The light never speeds up.

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Definitions:

Night Terrors

A sleep disorder causing feelings of terror or dread, typically occurring during the first hours of stage 3-4 non-REM sleep, leading to gasping, screaming, or confusion upon waking.

Nightmares

Disturbing dreams that cause the dreamer to wake up feeling anxious or frightened.

Somnambulisms

Also known as sleepwalking, it involves walking or performing other complex behaviors while in a state of sleep.

Unconscious Wishes

Desires or wants that reside within the unconscious mind, often influencing behavior and thoughts without an individual's conscious awareness.