Author Question: An open pipe of length L is resonating at its fundamental frequency. Which statement is correct? ... (Read 69 times)

cdr_15 · **on:** Jul 29, 2018

An open pipe of length L is resonating at its fundamental frequency. Which statement is correct?

A) The wavelength is 2L and there is a displacement node at the pipe's midpoint.
B) The wavelength is 2L and there is a displacement antinode at the pipe's midpoint.
C) The wavelength is L and there is a displacement node at the pipe's midpoint.
D) The wavelength is L and there is a displacement antinode at the pipe's midpoint.
E) The wavelength is 3L/2 and there are two displacement antinodes located inside the pipe.

Question 2

Under which of the following conditions would a car have a westward acceleration?

A) As a car travels eastward with its velocity is increasing.
B) A a car travels eastward with its velocity is decreasing.
C) As a car travels westward with its velocity is decreasing.
D) As a car travels westward with its velocity is constant.
E) As a car travels eastward with its velocity is constant.