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Mechanical Properties Of Fluids

Question

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If vibration of string is to be two times, then tension in the string must be made

Eight times

Four times

Twice

Half

Solution

Four times

Here initial vibration n₁=n , final vibration n₂ =2n

Initial tension T₁ =T

Vibration frequency of string

$n = \frac{1}{2 l} \sqrt{\frac{T}{m}} \Rightarrow n \propto \sqrt{T} Hence, \frac{n_{1}}{n_{2}} = \sqrt{\frac{T_{1}}{T_{2}}} or \frac{T_{1}}{T_{2}} = {(\frac{n_{1}}{n_{2}})}^{2} = {(\frac{n}{2 n})}^{2} = \frac{1}{2} or T_{2} = 4 T_{1}$

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Mechanical Properties Of Fluids

If vibration of string is to be two times, then tension in the string must be made

Eight times

Four times

Twice

Half

Some More Questions From Mechanical Properties of Fluids Chapter

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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For Daily Free Study Material Join wiredfaculty

Mechanical Properties Of Fluids

If vibration of string is to be two times, then tension in the string must be made Eight times Four times Twice Half

Some More Questions From Mechanical Properties of Fluids Chapter

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

If vibration of string is to be two times, then tension in the string must be made

Eight times

Four times

Twice

Half