Question:

A hollow pipe of length 0.8 m is closed at one end. At its open end, a 0.5 m long uniform string is vibrating in its second harmonic and it resonates with the fundamental frequency of pipe. If the tension in the string is 50 N and speed of sound in air is 320 m/s, the mass of the string is

Options :

  • (a) 40 g
  • (b) 20 g
  • (c) 10 g
  • (d) 5 g

Answer :

(c) 10 g

Answer Steps :

step 1

step 2

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