Question

The waveform representation converts ____

• A. the pressure variations of sound waves into a line graph
• B. the volume variations of sound waves into a pictorial graph
• C. the tempreature variations of sound waves into a pictorial graph
• D. the pressure variations of sound waves into a pictorial graph

Answer 1

The correct option is D

the pressure variations of sound waves into a pictorial graph

The waveform representation converts the pressure variations of sound waves into a pictorial graph which is easier to understand. For an example, a sound wave is made of areas of high pressure alternated by an area of low pressure. The high-pressure areas are represented as the peaks of the graph. The low-pressure areas are depicted as the Valleys.