A stretched string of length 2 m vibrates in 4  segments.  The distance between consecutive nodes is

Given length of the string l=2 m Number of segments n=4The distance between consecutive nodes l=nλ2⇒l=4λ2⇒2=2λ⇒λ=1The distance for one segment l=λ2                                                        =12                                                      =0.5 m