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    • Question

      The velocity of heat radiation in a vacuum

      is?
      A Equal to that of light Correct Answer Incorrect Answer
      B Less than that of light Correct Answer Incorrect Answer
      C Greater than that of light Correct Answer Incorrect Answer
      D Equal to that of sound Correct Answer Incorrect Answer

      Solution

      Heat radiation travels as electromagnetic waves, which move at the speed of light in a vacuum.

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