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

question 69

Multiple Choice

The standing waves in air in a pipe of length L that is open at both ends have a speed v.The frequencies of the three lowest harmonics are

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

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Definitions:

Cash Flows

The full measure of financial transactions entering and leaving a business, essentially shaping its liquidity factor.

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An investment appraisal technique that values a project or an asset based on the present value of its expected future cash flows.

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The process of determining the present value of an asset or a company based on earnings, assets, and market comparisons.

Required Return

The minimum expected yield by investors to justify the risk of the investment.