Question

directions: select the correct image.
the pitch of a sound is its highness or lowness. the higher the frequency of a sound wave is, the higher its pitch.
the waves shown below represent sound waves. which of the waves would have the highest - pitched sound?

Explanation:

Step1: Understand the relationship between frequency and pitch

Higher frequency means higher - pitched sound. Frequency is the number of complete cycles of a wave in a given time interval.

Step2: Compare the number of cycles in each wave

Looking at the four wave - forms:
The first wave (top - left) has the most number of cycles within the same time interval (from \(t = 0.00\) to \(t=0.02\)).

Answer:

The top - left wave.