In a Resonating Pipe Which Is Open at One End

Multiple Choice

In a resonating pipe which is open at one end and closed at the other, there

A) are displacement nodes at each end.
B) are displacement antinodes at each end.
C) is a displacement node at the open end and a displacement antinode at the closed end.
D) is a displacement node at the closed end and a displacement antinode at the open end.
E) none of the above