Question

the chart below shows three types of waves found in nature and gives a part of each:

wave	part
sound	compression
light	crest

how can these waves be compared?

• waves from an earthquake are longitudinal, but sound waves and light waves are transverse.
• sound waves and light waves are longitudinal, but waves from an earthquake are transverse.
• sound waves and waves from an earthquake are longitudinal, but light waves are transverse.
• light waves are longitudinal, but waves from an earthquake and sound waves are transverse.

Explanation:

1. Recall wave types: Longitudinal waves (like sound and earthquake P - waves) have rarefactions/compressions (particle motion parallel to wave direction). Transverse waves (like light) have crests/troughs (particle motion perpendicular to wave direction).
2. Analyze each option:

• Earthquake (some waves) and sound are longitudinal; light is transverse. Option C matches this. Other options misclassify wave types (e.g., light is not longitudinal, earthquake/sound are not transverse in the main relevant wave types here).

Answer:

C. Sound waves and waves from an earthquake are longitudinal, but light waves are transverse.