Wave Mechanics Question 643

Question: Tube A has both ends open while tube B has one end closed, otherwise they are identical. The ratio of fundamental frequency of tube A and B is

Options:

A) 1 : 2

B) 1 : 4

C) 2 : 1

D) 4 : 1

Show Answer

Answer:

Correct Answer: C

Solution:

[c] $ \frac{{\lambda _{A}}}{{\lambda _{B}}}=\frac{1}{2}\Rightarrow \frac{n _{A}}{n _{B}}=\frac{2}{1} $