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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asked Dec 22, 2020 133k views

1 vote

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.

Chemistry
middle-school

Mayank Gupta asked

by Mayank Gupta

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2 Answers

1 vote

1. Both sound and light are examples

Bineteri answered Dec 25, 2020

by Bineteri

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4 votes

2. It can travel in a vacuum.

This is true!

FractalSpace answered Dec 28, 2020

by FractalSpace

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