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

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

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Question:

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

Solution: