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Q:

What is called Krashanika?

  • 1
    Radiation
  • 2
    Black Color
  • 3
    Radiation emitted from the body
  • 4
    Bodies which absorb and emit radiation of high frequency.
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Answer : 4. "Bodies which absorb and emit radiation of high frequency."
Explanation :

An object which completely absorbs radiation of all wavelengths incident on its surface is called a black body. Black bodies absorb radiation in a particular and continuous spectrum and re-emit it when heated.

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