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AET CERTIFICATION EXAM 2026 FULL SOLUTION GRADED A+

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AET CERTIFICATION EXAM 2026 FULL SOLUTION GRADED A+

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AET CERTIFICATION EXAM 2026 FULL
SOLUTION GRADED A+



◉ compression. Answer: where energy pushes the waves together, high
pressure


◉ rarefaction. Answer: energy pulls apart, low pressure


◉ sound graph. Answer: amplitude vs time


◉ simplest wave form. Answer: sine wave


◉ frequency. Answer: how often a sound wave repeats in one second,
measured in Hz


◉ hertz. Answer: measure of frequency
cycles/seconds


◉ range of human hearing. Answer: 20-20,000 Hz

, ◉ amplitude. Answer: energy of a sound wave
measured in dB


◉ the farther you go. Answer: the less the amplitude is


◉ threshold of human hearing. Answer: 0 dB


◉ threshold of pain. Answer: 140 dB SPL


◉ threshold of feeling. Answer: 120 dB SPL


◉ velocity. Answer: rate of sound through a medium


◉ velocity of sound through air at 70 degrees f. Answer: 1130 ft/sec
or
770 m/hr


◉ velocity and density and temo go hand in hand?. Answer: less dense
medium = faster velocity
hotter temperature = faster velocity


◉ wavelength. Answer: length of a wave

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