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Doctors Medicines MCQs Q&A

  1. black bodies
  2. polished bodies
  3. all coloured bodies
  4. all of the above
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1 Answers

Answer: Option 1

Planck's law is a formula for the spectral radiance of an object at a given temperature as a function of frequency (Lf) or wavelength (Lλ). Planck’s law holds good for black bodies It has dimensions of power per solid angle per area per frequency or power per solid angle per area per wavelength

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