Question

how does increasing the amplitude of the wave affect the pitch of the sound?
the amplitude does not affect the pitch.
increasing the amplitude increases the pitch.
increasing the amplitude decreases pitch.
simulations used in this interactive are by phet interactive simulations university of colorado boulder, licensed under cc - by - 4.0 (https://phet.colorado.edu).

Explanation:

The amplitude of a wave is related to its intensity or loudness, while pitch is related to frequency. Since amplitude and frequency are independent wave properties, changing amplitude does not affect pitch.

Answer:

The amplitude does not affect the pitch.