Standing Waves

${\lambda }_{\text{like}}=\frac{2L}{n},n\in \mathbb{N}$

• Wavelength of standing waves when both ends are of the same type of boundary (both fixed or both moving)
• $L$ is the length of the string/boundary

${\lambda }_{\text{mixed}}=\frac{4L}{n},n\in {\mathbb{N}}_{\text{odd}}$