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Question

A loud sound can travel longer distance because it:


A

is associated with more energy

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B

has higher frequency

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C

has more force

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D

has more velocity

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Solution

The correct option is A

is associated with more energy


Since loudness of the sound wave is determined by the amplitude, a loud sound has more amplitude and hence more energy because energy is proportional to square of the amplitude. As the sound wave travels through the medium, its energy decays. So a sound wave with more energy will travel longer distance.


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