If we study the vibration of a pipe open at both ends, then the following statement is not true.
AIPMT 2013, Easy
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$(A)$ a high-pressure pulse starts traveling up the pipe, if the other end of the pipe is open.
$(B)$ a low-pressure pulse starts traveling up the pipe, if the other end of the pipe is open.
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$(D)$ a high-pressure pulse starts traveling up the pipe, if the other end of the pipe is closed.
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