2012 · Q4
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 simultaneously?
General KnowledgePhysics
- ANoise
- BBeats
- CResonance
- DNon-linear effects
Explanation
Two slightly different frequencies sounded together produce beats - a periodic waxing and waning of loudness.