PhysicsMedium85×since 2002Q8483A uniform string of length 202020 mmm 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 reach the supports is : (take g=10ms−2{\,\,g = 10m{s^{ - 2}}}g=10ms−2 )A22s2\sqrt 2 s22sB2π2s2\pi \sqrt 2 s2π2sC2π2s2\pi \sqrt 2 s2π2sD222 sssCheck answerSkip