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JEE Mains Model Paper 1

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Question : 3

Total: 90

Three masses 700 gm, 500gm , 400 gm are suspended at the end of a spring and are inequilibrium . When 700gm mass is removed, the system oscillates with a period of 3seconds. When 500 gms also removed then it will oscillate with a period of __

1 s
2 s
3 s
4 s

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