Question 1: An open organ pipe of length 0.831655 m and a closed one of length 1.23501 m are sounded together. What beat frequency is generated by the first overtone of the closed pipe with the fundamental of the open pipe?
The speed os sound is 340 m/s. Answer in units of Hz.
Question 2: A clarinet behaves like a tube closed at one end. If its length is 3 m, what is its fundamental frequency? The velocity of sound is 344 m/s. Answer in units of Hz.