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MHT CET202121 Sep 2021Morning ShiftPhysicsThermal Properties of MatterActual

A black body has maximum wavelength ' _ m ' at temperature 2000 ~K . Its corresponding wavelength at temperature 3000 ~K will be

Options

  1. A4 _m 9
  2. B2 _m 3
  3. C3 _ m 2
  4. D9 4 _m

Correct answer

B. 2 _m 3

Step-by-step solution

By Wien's displacement law, T = constant aligned & 1 ~T & ₂ ₁ = T ₁ ~T ₂ = 2000 3000 = 2 3 & ₂= 2 3 ₁ aligned

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