A String with a Fixed Frequency Vibrator at One End

question 21

Multiple Choice

A string with a fixed frequency vibrator at one end is subjected to varying tensions. When the tension is 20 N, a resonance with 3 antinodes results. What tension would cause a resonance with 2 antinodes in this string?

• A) 30 N
• B) 45 N
• C) 80 N
• D) 8.9 N
• E) 13 N

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