Why does a guitar produce such a loud sound but when strings detached from the body produce very little sound?
Correct answer: B. Resonance in the soundhole allows for amplification of the voice
- A. There is a microphone attached near to the strings and a speaker connected to it amplifies the volume
- B. Resonance in the soundhole allows for amplification of the voice
- C. Special kinds of strings are used which enable a louder sound to be produced
- D. The tension in the strings is especially higher so it produces a louder sound
Explanation
Sound-hole, a hollow chamber, is an essential component of stringed musical instruments, and enhances the sound radiation in the lower octave by introducing a natural vibration mode called air resonance.
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Scientific reasoning evaluates hypotheses through observations, variables, controls, measurements and experimental results. Questions involve identifying independent and dependent variables, recognising a fair test, interpreting tables or graphs, distinguishing evidence from opinion, and deciding whether data supports, rejects or leaves a hypothesis unresolved.
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