Assertion : Fundamental frequency of a narrow pipe is more.
Reason : According to laplace end correction if radius of pipe is lass, frequency should be more.
A. If both Asseration and Reason are true an dthe Reason is correct explanation of the Asseration.
B. If both Asseration and Reason are true but Reason is not the correct explanation of Asseration.
C. If Asseration is true , but the Reason is false.
D. If Asseration is false but the Reason is true.
Reason : According to laplace end correction if radius of pipe is lass, frequency should be more.
A. If both Asseration and Reason are true an dthe Reason is correct explanation of the Asseration.
B. If both Asseration and Reason are true but Reason is not the correct explanation of Asseration.
C. If Asseration is true , but the Reason is false.
D. If Asseration is false but the Reason is true.
Correct Answer – A
`f_(o) = (nu) /(2 (l + 1.2 r)) ` of an open pipe and
`f_(o) = (nu) / (4 (l + 0.6 r))` for a closed pipe.