Length of a string tied to two rigid support is `40cm`. Maximum length (wavelength in cm) of a stationary wave produced on it is

Length of a string tied to two rigid supports is 40 cm. Maximum wavelength in cm of a stationary wave produced on it is

The length of a string tied between two rigid supports is 50 cm. The maximum wavelength of a stationary wave produced on it is

The length of a string tied to supports is 40 cm.Maximum wave length of the stationary wave produced is

The length of a stretched string between two rigid supports is 40 cm. What would be the maximum length of a stationary wave that can be formed in the string ?