A uniform string of length 20 m is suspended from a rigid support

A uniform string of length 20 m is suspended from a rigid support. A short wave pulse is introduced at its lowest end. It starts moving up the string. The time taken to each the support is : (take g = 10 ms-²

  1. 2π√2 s
  2. 2 s
  3. 2 √2 s
  4. √2 s
Anurag Mishra Professor Asked on 4th April 2016 in Physics.
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