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Please Help! Which is true of a mechanical wave? 1. Both sound and light are examples. 2. It can travel in a vacuum. 3. It must have a medium. 4. It must travel in empty space.
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Which is true of a mechanical wave?

1. Both sound and light are examples.
2. It can travel in a vacuum.
3. It must have a medium.
4. It must travel in empty space.

User Mayank Gupta
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4.7k points

2 Answers

1 vote
1. Both sound and light are examples
User Bineteri
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6.2k points
4 votes

2. It can travel in a vacuum.

This is true!

User FractalSpace
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4.7k points
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