Falling Behind in Studies? Join Our Performance Improvement Batch. Enroll For Free
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-1023-196
+91-120-4616500
CART 0
Use Coupon: CART20 and get 20% off on all online Study Material
Welcome User
OR
LOGIN
Complete Your Registration (Step 2 of 2 )
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 the pipe, (A) a high-pressure pulse starts travelling up the pipe, if the other end of the pipe is open. (B) a low-pressure pulse starts travelling up the pipe, if the other end of the pipe is open. (C) a low-pressure pulse starts travelling up the pipe, if the other end of the pipe is closed. (D) a high-pressure pulse starts travelling up the pipe, if the other end of the pipe is closed
(B,D) At open end,the phase of pressure wave changes by ^ radian due to reflection.At closed end there is no change in phase of a pressure wave due to reflection
Post Question
Dear , Preparing for entrance exams? Register yourself for the free demo class from askiitians.
points won -