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AP EAMCET2012PhysicsThermal Properties of Matter

Power radiated by a black body at temperature T₁ is P and it radiates maximum energy at a wavelength ₁ . If the temperature of the black body is changed from T₁ to T₂ , it radiates maximum energy at a wavelength ₁ 2 . The power radiated at T₂ is

Options

  1. A2 P
  2. B4 P
  3. C8 P
  4. D16 P

Correct answer

D. 16 P

Step-by-step solution

We have, P T^4 1 ^4 P₁ P₂ = ( ₂ ₁ )^4 aligned P₁ P₂ & = 1 16 P₂ & =16 P₁=16 P aligned

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