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What are closed pipe and open pipe ?...

What are closed pipe and open pipe ?

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For one closed pipe and one open pipe, frequencies of their first harmonics are same. Find ratio of their lengths.

The air column in a pipe closed at one end is made to vibrate in its second overtone by a tuning fork of frequency 440 Hz . The speed of sound in air is 330ms^(-1) . End corrections may be neglected. Let P_(0) denote the mean pressure at any point in the pipe, and DeltaP the maximum amplitude of pressure variation. (a) What the length L of the air column. (b) What is the amplitude of pressure variation at the middle of the column? ( c ) What are the maximum and minimum pressures at the open end of the pipe? (d) What are the maximum and minimum pressures at the closed end of the pipe?

Obtain the equation of frequency of stationary wave propuced in open pipe and show that all harmonics are possible in it.

An open pipe is suddenly closed at one end with the result that the frequency of third harmonic of the closed pipe is found to be higher by 100 Hz then the fundamental frequency of the open pipe. The fundamental frequency of the open pipe is

The second overtone of an open pipe has the same frequency as the first overtone of a closed pipe 2 m long. The length of the open pipe is

Give explanation of stationary waves produced in closed pipe and obtain equations of natural frequency (normal modes).

A rectangular pipe having cross-sectional area A is closed at one end and at its other end a block having same cross-section is placed so that the system is airtight. In the equilibrium position of the block, the pressure and volume of air enclosed in the pipe and P and V respectively. Prove that the block performs SHM when it is given a small displacement 'x' inward and released. Also find the period of this SHM. Assume the walls to be frictionless and compression of air to be isothermal.

A closed organ pipe has length 'l' . The air in it is vibrating in 3^(rd) overtone with maximum amplitude 'a' . Find the amplitude at a distance of l//7 from closed end of the pipe.

If second overtone of closed pipe and third overtone of open pipe are equal, then find ratio of lengths of both the pipes.

The maximum length of a closed pipe that would produce a just audible sound is (V_("sound") =336 m//s) :-