Q: 19 (CDS-I/2012)

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Two identical piano wires have same fundamental frequency when kept under the same tension. What will happen if tension of one of the wires is slightly increased and both the wires are made to vibrate simul- taneously ?
question_subject: 
Science
question_year: 
2012
question_exam: 
CDS-I
stats: 
0,144,480,152,144,240,88