fo/2
2fo
fo/√2
fo√2
Correct answer is D
For a vibrating sonometer wire, the frequency
F = l/2l √(T/m)
and if the length, l and mass per unit length, m, are constant, then Fo ∝ √T => FoK√T or Fo/√T = K
=> F1o/√F1 = F2o/√F2
∴ F1o/√T1 = F2o/√T2
thus F2 = | F3x√(2T1 |
__√T1 |
=
= | Fox√2 x √T1 |
√T1 |
∴F2 = Fo x √2 = Fox√2
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