Question

Select One Correct Option from the following: A person blows into open-end of a long pipe. As a result, a high pressure pulse of air travels down the pipe. When this pulse reaches the other end of pipe,
(A) a high pressure pulse starts travelling up the pipe, if the other end of pipe is open.
(B) a low pressure pulse starts travelling up the pipe, if the other end of pipe is open.
(C) a low pressure pulse starts travelling up the pipe, if the other end of pipe is closed.
(D) a high pressure pulse starts travelling up the pipe if the other end of pipe is closed.

Answer 1

b option is correct.
mark brainliest if you like

Answer 2

..... following: A person blows into open-end of a long pipe. As a result, a high pressure pulse of air travels down the pipe. When this pulse reaches the other end of pipe,

(A) a high pressure pulse starts travelling up the pipe, if the other end of pipe is open.

(B) a low pressure pulse starts travelling up the pipe, if the other end of pipe is open.

(C) a low pressure pulse starts travelling up the pipe, if the other end of pipe is closed.

✴️ (D) a high pressure pulse starts travelling up the pipe if the other end of pipe is closed.