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NEET2006PhysicsThermal Properties of MatterActual

A black body at 1227^ C emits radiations with maximum intensity at a wavelength of 5000 Å . If the temperature of the body is increased by 1000^ C , the maximum intensity will be observed at:

Options

  1. A3000 Å
  2. B4000 Å
  3. C5000 Å
  4. D6000 Å

Correct answer

A. 3000 Å

Step-by-step solution

By wiens displacement law _m T=B UCwe have, aligned (5000)(1500) & = _m^ (1500+1000) _m^ & = 5000 1500 2500 & =3000 Å . aligned

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