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A string fixed at both ends, is vibratin...

A string fixed at both ends, is vibrating in a particular mode of vibration. Vibration is such that a point on string is at maximum displacement and it is at a distance of one fourth of length of string from one end. The frequency of vibration in thus mode is `200 Hz`. What will be the frequency of vibration when it vibrates in next mode such that the same point is at maximum displacement?

A

`200 Hz`

B

`400 Hz`

C

`500 Hz`

D

`600 Hz`

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