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QWhich of the following statements is true about the speed of light?

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#5852Q ID
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LightTopic
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  • A The speed of light is constant in all media. ✔ ✖
  • B The speed of light is greater in a vacuum than in a medium. ✔ ✖
  • C The speed of light is lower in a vacuum than in a medium. ✔ ✖
  • D The speed of light is higher in a medium than in a vacuum. ✔ ✖
Correct Answer: Option A

Explanation

Answer: a) The speed of light is constant in all media.

Explanation: The speed of light is a fundamental constant of nature and is always the same in a vacuum, air, water, glass, or any other medium.

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