A Radio Station Broadcasts at 80 MHz

question 33

Multiple Choice

A radio station broadcasts at 80 MHz. How long does it take for this radio signal to travel a distance of 20 × 10⁶ m?

• A) 0.15 × 10^-2 s
• B) 15 ms
• C) 6.7 × 10^-2 s
• D) 20 ms
• E) 25 ms

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Definitions:

Biofeedback Theory

A technique that teaches individuals to control bodily processes that are normally involuntary, like heart rate, using monitoring devices.

Unconditioned Stimulus

A stimulus that inherently and instinctively elicits a reaction without needing any learned behavior.

Conditioned Response

A learned response to a previously neutral stimulus that has become associated with an unconditioned stimulus.

Conditioned Stimulus

An initially neutral stimulus that, after association with an unconditioned stimulus, triggers a conditioned response.