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NEET 2001 Physics question

PhysicsWavesNEET 2001

If the tension and diameter of a sonometer wire of fundamental frequency n is doubled and density is halved then its fundamental frequency will become

Answer: (3)

Solution

Fundamental frequency of a stretched wire: , where the mass per unit length is . So \dfrac{1}{2l}$Missing argument for \sqrt\sqrt{Missing argument for \dfrac\dfrac{T}{π

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Question ID VK-088752