Astanding wave is set up in a 200-cm string fixed at both ends. the string vibrates in 5 distinct segments when driven by a 120-hz source. what is the wavelength?

Explanation:

It is given that,

Length of the string, L = 200 cm = 2 m

Frequency, f = 120 Hz

It vibrates in 5 distinct segments such that there is fifth harmonics. For a string fixed at both ends, the wavelength is given by :

So, the wavelength of the string fixed at both ends is 80 cm. Hence, this is the required solution.

d) the number of neutrons plus the number of protons

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