As Light Goes from One Medium to Another, It Is

question 30

Multiple Choice

As light goes from one medium to another, it is bent away from the normal.Then:

• A)the speed of the light has increased
• B)dispersion must occur
• C)the second medium has a higher index of refraction
• D)no change in speed has occurred
• E)refraction has not occurred because refraction means a bending toward the normal

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Definitions:

Sciatic Nerve

The longest and widest single nerve in the body, running from the lower back down through the leg.

Nerve Plexus

A network of intersecting nerves or nerve fibers.

Spinal Nerves

Nerves that emerge from the spinal cord, facilitating communication between the body and the brain.

Dorsal and Ventral Roots

The two types of nerve roots; dorsal roots carry sensory information to the spinal cord, while ventral roots carry motor information from the spinal cord to the muscles.