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Praxis II General Science

Category - Physics

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A sound that is 100 decibels compared to a sound of 50 decibels will have what significant difference?

Larger amplitude
Shorter frequency
Higher frequency
Reduced transmission
Quieter sound

Explanation

Answer: A - Louder sounds have larger amplitudes. 100 decibels is louder than 50 decibels on the sound scale, so the 100 decibel sound should have a larger amplitude.

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