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NEET 2019 Model Question Paper 4

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Question : 1

Total: 180

When a mass m attached to a spring it oscillates with period 4s when an additional mass of 2 kg is attached to a spring, time period increases by 1s. The value of m (approximately) is?

3.5 kg
8.2 kg
4.7 kg
2.6 kg

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