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: Recall the relationship

Higher frequency means higher - pitched sound.

Step2: Analyze the waves

Count the number of wave - cycles in the given time interval (0 to 0.02 seconds). The wave with the most cycles in this time interval has the highest frequency.

Step3: Compare the waves

The top - left wave has the most number of cycles in the 0 - 0.02 seconds time interval.

Answer:

The top - left wave.