A String,2

question 22

Multiple Choice

A string,2.0 meters in length,is fixed at both ends and tightened until the wave speed is 78 m/s.What is the frequency of the standing wave shown in the figure?

• A)120 Hz
• B)230 Hz
• C)350 Hz
• D)470 Hz

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Definitions:

Confidence Level

A measure of certainty in statistical analysis that a parameter lies within a specific range of values.

Flashbulb Memory

Highly detailed, exceptionally vivid 'snapshot' of the moment and circumstances in which a piece of surprising and consequential news was heard.

Accuracy Trust

The degree of confidence in the accuracy of a source or information.

Retroactive Interference

A phenomenon in which subsequently learned material lowers the probability of recalling earlier learned material.