What was observed during the experiment?
A large harmonic at 140 hertz and around four harmonics at 500 hertz.
A large harmonic at 500 hertz and ...
What was observed during the experiment?
A large harmonic at 140 hertz and around four harmonics at 500 hertz. A large harmonic at 500 hertz and around four harmonics at 140 hertz. A large harmonic at 140 hertz and around four harmonics at 1000 hertz. A large harmonic at 1000 hertz and around four harmonics at 140 hertz.
Durante o experimento, foi observado um grande harmônico em 140 hertz e cerca de quatro harmônicos em 500 hertz. A alternativa correta é a primeira: "A large harmonic at 140 hertz and around four harmonics at 500 hertz."
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