Complete the following sentences :
The pitch of sound increases if its frequency ………….

Explanation

To complete the sentence: "The pitch of sound increases if its frequency ………….":

1. **Understanding Pitch and Frequency**:
- Pitch is a perceptual property of sound that allows us to classify it as high or low. It is directly related to the frequency of the sound wave.

2. **Relationship Between Pitch and Frequency**:
- Frequency is measured in Hertz (Hz) and refers to the number of vibrations or cycles per second of a sound wave. Higher frequencies correspond to higher pitches, while lower frequencies correspond to lower pitches.

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