Answer:
[tex]\lambda=3\ m[/tex]
Explanation:
Given that,
The horizontal distance between the two nodes is 1.5 meters.
We need to find the wavelength of the standing wave.
If we know the distance between nodes and antinodes, then the equation is :
[tex]\dfrac{\lambda}{2}=D[/tex]
Where
[tex]\lambda[/tex] is the wavelength
So,
[tex]\lambda=2D\\\\=2\times 1.5\\\\=3\ m[/tex]
So, the wavelength of the standing wave is equal to 3 m.
