Standing Sound Waves: a Tube Open at One End and Closed

question 51

Multiple Choice

Standing sound waves: A tube open at one end and closed at the other end produces sound having a fundamental frequency of 350 Hz. If you now open the closed end, the fundamental frequency becomes

• A) 87.5 Hz.
• B) 175 Hz.
• C) 350 Hz.
• D) 700 Hz.
• E) 1400 Hz.

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Definitions:

Perfection

In legal and financial contexts, refinement is the process of securing an interest in collateral against third parties, often through public registration.

Security Agreement

A legal document that provides a lender a security interest in specified assets of the borrower as collateral for a loan.

Filing

The process of submitting documents to a specified authority or organization for official review or record-keeping.

Perfects

The process of securing a legal interest or claim in collateral or property, often used in finance and legal contexts to ensure rights are enforceable.