A perfectly elastic uniform string is suspended vertically with its upper end fixed to the ceiling and the lower end loaded with the weight. If a transverse wave is imparted to the lower end of the string, the pulse will
  • A
    not travel along the length of the string
  • B
    travel upwards with increasing speed
  • C
    travelled upwards with constant acceleration
  • Dboth $(B)$ and $(C)$
Diffcult
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