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MHT CET202410 May 2024Morning ShiftPhysicsThermal Properties of MatterActual

Ordinary bodies P and Q radiate maximum energy with wavelength difference 3 ~m . The absolute temperature of body P is four times that of Q . The wavelength at which body Q radiates maximum energy is

Options

  1. A2 ~m
  2. B4 ~m
  3. C6 ~m
  4. D8 ~m

Correct answer

B. 4 ~m

Step-by-step solution

Given _Q- _P=3 ~m ...(i) From Wien's law, array ll & _P T_P= _Q T_Q & _P 4 T_Q= _Q T_Q & _Q=4 _P ...(ii) & 4 _P- _P=3 ~m & 3 _P=3 ~m & _P=1 ~m & _Q=4 ~m array ...(given, T _ P =4 ~T _ Q ) ...[From(i)] ...[From(ii)]

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