One end of a long metallic wire of length L is tied to the ceiling, the other end is tied to a massless spring of spring constant k. A mass m hangs freely from the free end of the spring. The area of cross-section and Young's modulus of the wire are A and Y, respectively. If the mass is slightly pulled down and released, it will oscillate with a time period T equal to
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Wire is equivalent to a spring of spring constant, 
and k are in series,
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