Which of the following waves requires a medium to travel? (2023)

Which of the following waves requires a medium to travel? (2023)

Step 1: Understand what a wave is. A wave is a disturbance that transfers energy from one place to another.
Step 2: Learn about different types of waves. There are mechanical waves and electromagnetic waves.
Step 3: Identify mechanical waves. Mechanical waves, like sound waves, need a medium (like air, water, or solid materials) to travel through.
Step 4: Identify electromagnetic waves. Electromagnetic waves, like light, do not need a medium and can travel through empty space (a vacuum).
Step 5: Conclude that sound waves require a medium to travel, while electromagnetic waves do not.

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