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Masses M(A) "and" M(B) hanging from the ...

Masses `M_(A) "and" M_(B)` hanging from the ends of strings of lengths `L_(A) "and" L_(B)` are executing simple harmonic motions. If their frequencies are `f_(A) = 2f_(B)`, then

A

`L_(A) = 2L_(B) "and" M_(A) = M_(B)//2`

B

`L_(A) = 4L_(B)` regardless of masses

C

`L_(A) = L_(B)//4` regardless of masses

D

`L_(A) = 2L_(B) "and" M_(A) = 2M_(B)`

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