A closed pipe of length 60 cm and an open pipe of length 80 cm are sounded together…
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
A closed pipe of length 60 cm and an open pipe of length 80 cm are sounded together in air (speed of sound = 340 m/s). Which harmonic of the open pipe will be in unison with the third harmonic of the closed pipe?
(a) Third
(b) Second
(c) Fourth
(d) First