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A string, fixed at both ends, vibrates i...

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

A

4.0cm

B

8.0cm

C

12.0cm

D

16.0cm

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The correct Answer is:
B
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