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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