The end correction of the open pipe is

If the end correction of an open pipe is 0.8 cm, then the inner radius of that pipe will be

If the end correction of an open pipe is 0.8 cm, then the inner radius of that pipe will be

If the end correction of an open pipe is 0.8 cm, then the inner radius of that pipe will be

An open pipe 40 cm long and a closed pipe 31 cm long, both having same dimeter, are producing their first overtone, and these are in unison. The end correction of these pipes is :

An open pipe 30 cm long and a closed pipe 23 cm long, both of the same diameter, are each sounding their first overtone are in unison. The end correction of these pipes is

The value of end correction for an open organ pipe of radius r is _________ .