A Pianist Considers Two Strings in the Piano That Are

question 27

Multiple Choice

A pianist considers two strings in the piano that are side-by-side.Their construction is identical in terms of their linear mass density and tension-only the length is different.If,when the strings are vibrating in their fundamental modes,a beat frequency of 2.0Hz is heard,and if the average frequency heard is 111Hz,what is the ratio of lengths of the higher frequency to lower frequency string?

• A)1.04
• B)1.02
• C)1.00
• D)0.98
• E)0.96

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Definitions:

Sleeper Effect

A delayed increase in the persuasive impact of a message, where an initially discounted message becomes more influential over time.

Bogus Pipeline

A research technique that tricks participants into believing their true feelings are being measured, thereby encouraging honesty in responses.

Implicit Measures

Assessment tools used to evaluate attitudes, feelings, or beliefs that individuals may be unwilling or unable to report directly.

Explicit Measures

Direct and straightforward techniques to assess attitudes, opinions, or behaviors, often through self-report.