Transverse standing waves (17.5)Both ends fixed

• Given length L available to make a wave and given that at both x=0 and x=L there must be nodes (both ends fixed):

L = n l/2 (n =1, 2, 3, …)

or (with v = f l)

fn = n v/(2L) (n =1, 2, 3, …)

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