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AP EAMCET20226 Jul 2022Morning ShiftPhysicsWaves and SoundActual

A string of length 1 ~m and mass 490 ~g is put under a tension of 25 ~N . A wave of frequency 120 ~Hz is sent along it. The speed of this wave is

Options

  1. A7.14 ~ms ⁻¹
  2. B0.71 ~ms ⁻¹
  3. C0.51 ~ms ⁻¹
  4. D51.0 ~ms ⁻¹

Correct answer

A. 7.14 ~ms ⁻¹

Step-by-step solution

The wave speed is given as V = T = 25 0.49 1 =7.14 ~m / s

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