JEE Main 2013 Question Paper

Section: Physics
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Question : 75 of 90
 
Marks: +1, -0
A sonometer wire of length 1.5 m is made of steel. The tension in it produces an elastic strain of 1 %. What is the fundamental frequency of steel if density and elasticity of steel are 7.7×103
kg
m3
and 2.2×1011
N
m2
respectively?
[Main 2013]
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