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The peak wavelength of radiation emitted by a black body at a temperature of 2000 K is 1.45 μm. If the peak wavelength of emitted radiation changes to 2.90 μm , then the temperature (in K) of the black body is
[2018]
  • a)
    500
  • b)
    1000
  • c)
    4000
  • d)
    8000
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The peak wavelength of radiation emitted by a black body at a temperat...
From wein’s displacement law
λmax T = constant

T2 = 1000 K
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The peak wavelength of radiation emitted by a black body at a temperature of 2000 K is 1.45 μm. If the peak wavelength of emitted radiation changes to 2.90 μm , then the temperature (in K) of the black body is[2018]a)500b)1000c)4000d)8000Correct answer is option 'B'. Can you explain this answer?
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