Question at position 33 Which of the following statements correctly differentiates between loud and soft sounds?Loud sounds cause the surrounding air to press more forcibly against the ears than do soft sounds.Loud sounds have lower amplitudes than soft sounds.Loud sounds have a higher timbre than soft sounds.Loud sounds cause the air around the ears to rise in temperature more rapidly than do soft sounds.

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BlackTom AI · Accepted Answer

The question asks us to differentiate between loud and soft sounds by evaluating the given statements.
Option 1: 'Loud sounds cause the surrounding air to press more forcibly against the ears than do soft sounds.' This is accurate because loud sounds have greater sound pressure levels, which means the oscillating air particles collide with our eardrum more forcefully, producing a stronger pressure wave.
Option 2: 'Loud sounds have lower amplitudes than soft sounds.' This is incorrect; amplitude is directly related to loudness, so louder sounds have higher amplitudes, not lower.
Option 3: 'Loud sounds have a higher timbre than soft sounds.' Timbre describes the quality or color of a sound (its spectrum and harmonics), not the loudness. Loudness does not inherently imply a higher timbre; timbre depends on the sound’s harmonic content, which can vary independently of amplitude.
Option 4: 'Loud sounds cause the air around the ears to rise in temperature more rapidly than do soft sounds.' This is misleading; while sound waves involve energy transfer, the bulk heating effect of audible sound on surrounding air is negligible under normal conditions and not a defining difference between loud and soft sounds.
In summary, the only statement that correctly captures the physical distinction tied to loudness is the first one, which links louder sounds to greater pressure exerted on the eardrum due to higher sound pressure levels.

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