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Q. Choose the correct statement from the following options.

NTA AbhyasNTA Abhyas 2020

Solution:

The distance between any two consecutive antinodes or nodes is $\frac{\lambda }{2}$ .
Hence, option $\left(A\right)$ is an incorrect statement.
The distance between a node and adjoining antinode is $\frac{\lambda }{4}$ .
Hence, option $\left(\right.B\left.\right)$ is a correct statement.
In the open end is an antinode.
Hence, option $\left(C\right)$ is an incorrect statement.
In the closed end is a node.
Hence, option $\left(\right.D\left.\right)$ is an incorrect statement.