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## A 64.0 cm long cord is vibrating in such a manner that it forms a standing wave with two antinodes. (The cord is fixed at both ends.) Which

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## Answers ( )

Answer:the wave represents the

second harmonic.Explanation:Given;

length of the cord, L = 64 cm

The first harmonic of a cord fixed at both ends is given as;

The wavelength of a standing wave with two antinodes is calculated as follows;

L = N—> A —–> N + N —-> A —–> N

Where;

N is node

A is antinode

L = N—> A —–> N + N —-> A —–> N = λ/2 + λ/2

L = λ

The harmonic is calculated as;

Therefore, the wave represents the

second harmonic.L = λ