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Waves question

2013 · Shift 0 · Q66

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JEE Main
Physics
Waves
2013 · Shift 0 · Q66

Waves question

2013 · Shift 0 · Q66

JEE MainPhysicsWavesMCQ+4 / −1

A sonometer wire of length

1.5m

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 \times {10^3}\,kg/{m^3}

and

2.2 \times {10^{11}}\,N/{m^2}

respectively ?

A
$188.5Hz$
B
$178.2Hz$
C
$200.5Hz$
D
$770Hz$

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