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MHT CET20226 Aug 2022Evening ShiftPhysicsThermal Properties of MatterActual

The radiation energy density per unit wavelength at temperature T is maximum at a wavelength ₀ . At temperature 2 T , it will have a maximum at a wavelength

Options

  1. A₀ 4
  2. B2 ₀
  3. C4 ₀
  4. D₀ 2

Correct answer

D. ₀ 2

Step-by-step solution

According to Wien's displacement law, _m T= constant. aligned & _ m T= ^ T^ & ₀ T= ^ 2 T & ^ = ₀ 2 aligned

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