The Standing Waves in Air in a Pipe of Length $\lambda$

question 16

Multiple Choice

The standing waves in air in a pipe of length L that is open at one end and closed at the other have a speed v.The frequencies of the three lowest harmonics are

• A)v/4L,v/2L,and 3v/4L
• B)v/2L,v/L,and 3v/2L
• C)\(\lambda\)/4,\(\lambda\)/2,and 3\(\lambda\)/4
• D)v/4L,3v/4L,and 5v/4L
• E)\(\lambda\)/3,2\(\lambda\)/3,and 3\(\lambda\)/3

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Definitions:

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Sustainable Development

is the development that meets the needs of the present without compromising the ability of future generations to meet their own needs.

Our Common Future

A report published by the World Commission on Environment and Development (WCED) in 1987, also known as the Brundtland Report, focusing on sustainable development.

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