Question
6. What characteristic of waves is described by the changing pitch of a siren as a fire truck passes by?
10. When inspecting pipelines and bridge foundations using sonar, which property of waves is relied upon for the technology to work?
12. In a vacuum, what property of all electromagnetic waves remains constant?
10. When inspecting pipelines and bridge foundations using sonar, which property of waves is relied upon for the technology to work?
12. In a vacuum, what property of all electromagnetic waves remains constant?
Answers
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