wave_mechanics organ_pipe_vibration_of_air_column Question 43
Question: A student determines the velocity of sound with the help of a closed organ pipe. If the observed length for fundamental frequency is 24.7 m, the length for third harmonic will be
[RPET 2002]
Options:
A) 74.1 cm
B) 72.7 cm
C) 75.4 cm
D) 73.1 cm
Show Answer
Answer:
Correct Answer: A
Solution:
$ l _{2}=3l _{1}=3\times 24.7=74.1cm $