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A sinusoidal wave travels along a taut s...

A sinusoidal wave travels along a taut string of linear mass density `0.1g//cm`. The particles oscillate along `y-` direction and wave moves in the positive `x-` direction . The amplitude and frequency of oscillation are `2mm` and `50Hz` respectively. The minimum distance between two particles oscillating in the same phase is` 4m`.
The tension in the string is `(` in newton `)`

A

4000

B

400

C

25

D

250

Text Solution

Verified by Experts

The correct Answer is:
B
`lambda =4m` and `f=500 Hz.`
`:. V=f lambda=200m//s`
`:' V=sqrt((T)/(mu)):. T=mu v^(2)=(0.1)xx(200)^(2)=400N`
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