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In Melde's experiment, a string of lengt...

In Melde's experiment, a string of length 0.8 m and mass 1.0 g vibrates in 4 segments when the tension in the string is 0.4 kg-wt. The frequency of the fork is (in perpendicular position)

A

70 Hz

B

90 Hz

C

140 Hz

D

180 Hz

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The correct Answer is:
C
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