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Question: Answered & Verified by Expert
The speed of electromagnetic wave in vacuum depends upon the source of radiation
PhysicsElectromagnetic WavesKCETKCET 2010
Options:
  • A increases as we move from $\gamma$-rays to radio waves
  • B decreases as we move from $\gamma$-rays to radio waves
  • C is same for all of them
  • D None of the above
Solution:
1134 Upvotes Verified Answer
The correct answer is: is same for all of them
Speed of electromagnetic waves in vacuum
$$
=\frac{1}{\sqrt{\mu_{0} \varepsilon_{0}}}=\text { constant }
$$

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