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KCET2013PhysicsThermal Properties of Matter

Two stars A and B radiate maximum energy at the wavelength of 360 ~nm and 480 ~nm respectively. Then the ratio of the surface temperatures of A and B is

Options

  1. A3: 4
  2. B81: 256
  3. C4: 3
  4. D256: 81

Correct answer

C. 4: 3

Step-by-step solution

According to Wien's displacement law aligned & T= constant & T₁ T₂ = ₂ ₁ = 480 360 = 4 3 aligned

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