Practice Quiz

MCAS Physics Exam Practice

Category - Introductory Physics

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Which of the following observations demonstrates that visible light waves are electromagnetic and not mechanical?
  1. Sunlight can pass through gas.
  2. Sunlight can pass through solids.
  3. Sunlight can pass through liquids.
  4. Sunlight can pass through a vacuum.
Explanation
Answer: D - Sunlight can pass through a vacuum.
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