Question

Choose the correct statements:

• A. There is a phase change of in the pressure wave when it is reflected by an open end in an organ pipe
• B. In standing wave, all the particles between two successive nodes reach their extreme positions together
  
• C. Equation $y=2Acoskxcos\omega t$ represetnts a standing wave
  
• D. Figure shows a travelling wave in stretched string kinetic energy and potential energy both will be zero at point A

Answer 1

Answer: (A), (B), (C)

The correct options are
A There is a phase change of in the pressure wave when it is reflected by an open end in an organ pipe
B In standing wave, all the particles between two successive nodes reach their extreme positions together

C Equation $y=2Acoskxcos\omega t$ represetnts a standing wave


Fact based question.