Tamil Nadu State board (Class 10) › Optics › Question #8365
Single Choice Moderate

QWhat is the speed of light in vaccum and medium?

ID: #8365 Optics 135 views
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#8365Q ID
ModerateDifficulty
OpticsTopic
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  • A 3 x 10^8 m/s ✔ ✖
  • B 3 x 10^7 m/s ✔ ✖
  • C 3 x 10^9 m/s ✔ ✖
  • D 3 x 10^6 m/s ✔ ✖
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Answer: A) 3 x 10^8 m/s Explanation: The speed of light in vacuum or air is a constant value of 3 x 10^8 m/s.

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