1.

A block of mass m is suspended by different springs of force constant shown in figure Let time period of oscillation in these four positions be T_1, T_2, T_3 and T_4. Then :

Answer»

`T_(1)=T_(2)=T_(4)`
`T_(1)=T_(2)` and `T_(3)=T_(4)`
`T_(1)=T_(2)=T_(3)`
`T_(1)=T_(3)` and `T_(2)=T_(4)`

ANSWER :B


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