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A black body is at a temperature of 5760 K. The energy of radiation emitted by the body at wavelength 250 nm is $U_{1}$ , at wavelength 500 nm is $U_{2}$ and that at 1000 nm is $U_{3}$ . Wien's constant, b = 2.88 x $10^{6}$ nmK. Which of the following is correct?

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U1 = 0

U2 = 0

U1 > U2

U2 > U1

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detailed solution

Correct option is D

Maximum amount of emitted radiation corresponding to λm =bTλm = 2.88×106nmk5760 K = 500 nmFrom the graph U1 U3

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A black body is at a temperature of 5760 K. The energy of radiation emitted by the body at wavelength 250 nm is U1, at wavelength 500 nm is U2 and that at 1000 nm is U3. Wien's constant, b = 2.88 x 106 nmK. Which of the following is correct?

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

A black body is at a temperature of 5760 K. The energy of radiation emitted by the body at wavelength 250 nm is $U_{1}$ , at wavelength 500 nm is $U_{2}$ and that at 1000 nm is $U_{3}$ . Wien's constant, b = 2.88 x $10^{6}$ nmK. Which of the following is correct?