Two Electromagnetic Waves Are Represented Below

question 118

Multiple Choice

Two electromagnetic waves are represented below.
-Wave (a) has the

• A)longer wavelength and higher frequency than wave (b).
• B)longer wavelength and lower frequency than wave (b).
• C)shorter wavelength and higher frequency than wave (b).
• D)shorter wavelength and lower frequency than wave (b).

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Definitions:

Stage 2 Sleep

A stage of sleep characterized by the presence of sleep spindles and K complexes, representing a deeper sleep than stage 1 and accounting for approximately 50% of sleep time in adults.

Beta Wave

A type of brainwave pattern associated with active, alert cognition and wakefulness.

Alpha Wave

Brain waves detected by an electroencephalogram that indicate a state of relaxation or calmness, typically present when a person is awake but relaxed.

Theta Wave

A type of brainwave pattern associated with sleep, deep relaxation, and some stages of meditation, usually in the frequency range of 4-8 Hz.