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Standard XII
Physics
Question

The period of oscillation of a mass suspended from a spring is 2 second along with it another mass of 2 kg is suspended, the period of oscillation is by one second. The mass m will be
  1. 2 kg
  2. 1 kg
  3. 1.6 kg
  4. 2.6 kg

A
2.6 kg
B
1.6 kg
C
2 kg
D
1 kg
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Solution
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Hence, option (C) is correct answer.
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