Question:

A body of mass m is attached to the lower end of a spring whose upper end is fixed. The spring has negligible mass. When the mass m is slightly pulled down and released, it oscillates with a time period of 3s. When the mass mis increased by 1 kg, the time period of oscillations becomes 5 s. The value of m in kg is

Options :

  • (a) 9/16
  • (b) 3/4
  • (c) 4/3
  • (d) 16/9

Answer :

(a) 9/16

Answer Steps :

step 1

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