Question

512 Hz tuning fork is struck with a hammer, producing a sound wave with an amplitude of 1. If the amplitude of the sound wave is first doubled and then tripled, what changes will be observed in the sound produced?
The sound will become twice as long, then three times as long.
The sound will become twice as high in pitch, then three times as high.
The sound will become twice as loud, then three times as loud.
The sound will become twice as fast, then three times as fast.

Answer 1

The correct answer is: The sound will become twice as loud, then three times as loud.