1.

Three masses 700 gm, 500 gm and 400 gm are suspended at the end of the spring and they are in equilibrium. When the 700 gm mass is removed, the system oscillates with a period of 3sec. when the 500 gm mass is also removed, it will oscillate with a period of

Answer»

1 SEC
2 sec
3 sec
`SQRT((12)/(5))` sec

Answer :B


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