Question:

When tension ‘T’ is applied to a sonometer wire of length ‘l’ it vibrates with the fundamental frequency ‘n’. Keeping the setup same, when the tension is increased by 8 N, the fundamental frequency becomes three times the earlier. The initial tension applied to the wire was:

Options :

  • (a) 1 N
  • (b) 2 N
  • (c) 4 N
  • (d) 0.5 N

Answer :

(a) 1 N

Answer Steps :

step 1

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