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Questions and Answers
All electromagnetic waves are longitudinal waves.
All electromagnetic waves are longitudinal waves.
False
Electromagnetic waves can travel without a medium at the same speed of $3 \times 10^8$ m/s in a vacuum.
Electromagnetic waves can travel without a medium at the same speed of $3 \times 10^8$ m/s in a vacuum.
True
The frequency of an electromagnetic wave changes when it travels from a vacuum to another medium.
The frequency of an electromagnetic wave changes when it travels from a vacuum to another medium.
False
Ionizing waves have lower frequencies and can disrupt cellular functions.
Ionizing waves have lower frequencies and can disrupt cellular functions.
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Higher temperature bodies emit a range of electromagnetic waves with lower frequencies.
Higher temperature bodies emit a range of electromagnetic waves with lower frequencies.
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