Practice Quiz

HESI A2 Practice Test

Category - Introductory Physics

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Which of the following statements best describes an electromagnetic wave with a long wavelength?
  1. It has a low frequency and can travel in a vacuum.
  2. It has a high frequency and can travel in a vacuum.
  3. It has a low frequency and can only travel in a medium.
  4. It has a high frequency and can only travel in a medium.
Explanation
Answer: A - It has a low frequency and can travel in a vacuum.
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