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Question: Answered & Verified by Expert
In two similar wires of tension 16 N and T, 3 beats are heard, then T=
PhysicsWaves and SoundJEE Main
Options:
  • A 49 N
     
  • B 25 N
  • C 64 N
  • D 80 N
Solution:
2471 Upvotes Verified Answer
The correct answer is: 49 N
 
Here ,T1=16 N, T2=?

As per the choice given, T2>T1



  n2>n1, n2-n1=3         (i)

As nT

  n2n1=T16=T4

If n1 corresponds to 4:n2 corresponds to 3+4=7, which is T. Therefore, T=49 N

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