A 20 Cm Long Organ Pipe Is Filled with Air

question 67

Multiple Choice

A 20 cm long organ pipe is filled with air and is open at one end and closed at the other. The speed of sound in air at 0°C is 331 m/s. What is the wavelength of the fundamental mode?

• A) 40 cm
• B) 60 cm
• C) 80 cm
• D) 43 cm
• E) 75 cm

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