A mass $m$ is vertically suspended from a spring of negligible mass; the system oscillates with a frequency $n$. What will be the frequency of the system if a mass $4 m$ is suspended from the same spring
  • A$\frac{n}{4}$
  • B$4n$
  • C$\frac{n}{2}$
  • D$2n$
AIPMT 1998, Medium
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