A uniform metal wire of density p, cross-sectional area A and length i is stretched with a tension T. The speed of transverse wave in the wire is given by
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a
TlρA
b
TρAl
c
Tρl
d
TAρ
answer is D.
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Detailed Solution
Volume of wire = A /Mass of the wire =Al×ρ Mass per unit length =(Al×ρ/l)=Aρ Now v=Tm=TAρ