The length and diameter of a metal wire is doubled. The fundamental frequency of vibration will change from ' 
' to (Tension being kept constant and material of both the wires is same)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Fundamental frequency of a metal wire fixed at both ends is given by
linear mass density
When, 
(Four times the mass in the length 
)
So new frequency, 
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