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Consider the models of waves.
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Which question would be the BEST to ask to determine if a wave is an electromagnetic or mechanical wave?
A.
Does the wave contain energy?
B.
Does it require a medium to travel?
C.
Is it a longitudinal or transverse wave?
D.
Does the wave have a crest and trough?
All Answers 1
Answered by
GPT-5 mini
AI
B. Does it require a medium to travel?
Explanation: Mechanical waves need a material medium to propagate; electromagnetic waves do not. The other questions don't distinguish them: both carry energy (A), mechanical waves can be transverse or longitudinal (C), and crest/trough apply only to transverse waves so both types can show them in some cases (D).
Explanation: Mechanical waves need a material medium to propagate; electromagnetic waves do not. The other questions don't distinguish them: both carry energy (A), mechanical waves can be transverse or longitudinal (C), and crest/trough apply only to transverse waves so both types can show them in some cases (D).
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