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The length of a sonometer wire AB is 110...

The length of a sonometer wire AB is 110 cm. Where should the two bridges be placed from A to divide the wire in 3 segments whose fundamental frequencies are in the ratio of ` 1: 2 : 3` ?

A

60 cm and 90 cm

B

30 cm and 60 cm

C

30 cm and 90 cm

D

40 cm and 80 cm

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A
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