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A uniform string fixed at both ends vibr...

A uniform string fixed at both ends vibrates in a resonant mode with a separation of 2.0 cm between the consecutive nodes. For next higher resonant frequency, this separation is reduced to 1.6 cm. The length of the string is

A

4.0 cm

B

8.0 cm

C

12.0 cm

D

16.0 cm

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The correct Answer is:
B
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