Health Education Systems Admission Assessment HESI Quiz
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PHYSICS
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Which of the following represents a fundamental difference between electromagnetic waves (like light) and mechanical waves (like sound)?
A
Electromagnetic waves have frequency, while mechanical waves do not.
B
Electromagnetic waves can travel through a vacuum, while mechanical waves require a medium.
C
The speed of electromagnetic waves is always constant, while the speed of mechanical waves varies.
D
Mechanical waves transfer energy, while electromagnetic waves do not.
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