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Two wires have identical lengths and are...

Two wires have identical lengths and areas of cross-section are suspended by mass `M`. Their Young's modulus are in the ratio `2:5`.

A

They will be subjected to stresses which are in ratio `2:5`

B

Their lengths will increase in the ratio `5:2`

C

When stretched and released, they will oscillate with time periods in the ratio `5:2`

D

Their time periods will be in the ratio `sqrt(5):sqrt(2)`

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