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Question

When the listener and the source of sound are moving toward each other with unequal velocities, the apparent frequency _______ actual frequency.

A
>
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B
<
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C
= 2 x
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D
= 0.5 x
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Solution

The correct option is A >
When both the source and the listener are moving toward each other with unequal velocities, the distance between them would decrease. As a result, the sound feels louder as the distance decreases. This is because the apparent frequency is greater than the actual frequency of the sound.

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