A String with Fixed Ends Is Made to Go into Standing

question 66

Multiple Choice

A string with fixed ends is made to go into standing wave patterns.At a given tension,the lowest frequency for which such a pattern exists is 150 Hz.Which of the following frequencies would also cause a standing wave pattern in this case?

• A)250 Hz
• B)500 Hz
• C)750 Hz
• D)All of the above frequencies will cause a standing wave pattern in this case.

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Gross profit margin is a financial metric expressed as a percentage that measures the financial health of a company by indicating the proportion of money left over from revenues after accounting for the cost of goods sold (COGS).

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The transactions in which goods or services are transferred from seller to buyer for money or other compensation.

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Costs directly linked to the creation of products sold by a firm, such as the expenses for materials and workforce.

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The profit generated from a company's regular, core business activities, excluding non-operating income and expenses.