A String Is Stretched and Fixed at Both Ends, 200

question 42

Multiple Choice

A string is stretched and fixed at both ends, 200 cm apart. If the density of the string is 0.015 g/cm, and its tension is 600 N, what is the wavelength (in cm) of the first harmonic?

• A) 600
• B) 400
• C) 800
• D) 1 000
• E) 200

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Definitions:

Salaries

The regular payment made by employers to employees, often expressed as an annual figure before taxes and other deductions.

Employees

Individuals who are hired by a business or organization to work under a contract of employment and get paid in return.

Mean Salary

The average amount of money earned by employees in a particular job or industry, calculated by summing all salaries and dividing by the number of employees.

Chi-Squared Distribution

A probability distribution that is widely used in inferential statistics for hypothesis testing and estimating variances.