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`n_3 = 5n_1 = f_3 = 125 Hz` `f_3 = 5f_1 = n_2 = 125 Hz` `f_3 = n_2 = 3f_1 = 150 Hz ` `n_2 = (f_1 + f_2)/2 = 75 Hz`

Answer :

DSolution :

`f_1 = v/(2l) = sqrt(T//mu)/(2l)` <br> `= sqrt((100//0.01))/2 = 50 Hz.` <br> `f_2 = 2f_1 = 100Hz` <br> `f_3 = 3f_1 = 150 Hz` <br> `n_1 = v/(4l) = 25 Hz` <br> `n_2 = 3n_1 = 75 Hz` <br> `n_3 = 5n_1 = 125 Hz` .