Two springs of equal lengths and equal c...

Two springs of equal lengths and equal cross-sectional area are made of materials whose Young's moduli are in the ratio of `2:3` . They are suspended and loaded with the same mass. When stretched and released they oscillate. Find the ratio of the time period of oscillation.

`sqrt(3):sqrt(2)`

`3:2`

`3sqrt(3):2sqrt(2)`

`9:4`

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