Two Strings Both Vibrate at Exactly 819 Hz

question 28

Multiple Choice

Two strings both vibrate at exactly 819 Hz. The tension in one of them is then increased slightly. As a result, six beats per second are heard when both strings vibrate. What is the new frequency of the
String that was tightened?

• A) 816 Hz
• B) 825 Hz
• C) 822 Hz
• D) 813 Hz

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Definitions:

Conditioned Stimulus

A formerly neutral signal that, when linked with the unconditioned stimulus, ultimately elicits a conditioned reaction.

Unconditioned Response

An automatic, natural reaction to a stimulus that occurs without prior learning or conditioning.

Fireworks

Pyrotechnic devices that produce visual and auditory effects for entertainment purposes.

Fear Reaction

An emotional response to perceived threats or danger, often characterized by feelings of anxiety, increased heart rate, and a variety of physiological changes preparing the body for fight or flight.