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Determine the percentage of radiation emitted by the sun within the visible spectrum ( Wavelengths from 0.4 μm (violet) to 0.76 μm(red), considering the sun to be black body and its effective surface temperature to be 5800 K. Given black body radiation function for 2320μmk is 0.124509 and for 4408μmk is 0.550015 .
  • a)
    42.5
  • b)
    42.6
  • c)
    42.7
  • d)
    42.8
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Determine the percentage of radiation emitted by the sun within the vi...
∴ fλ1➝λ2 = fλ2 - fλ1
Where fλ is black body radiation function for wavelength λ.
∴ f0.4-0.76 = f0.76 - f0.4
= 0.550015 - 0.124509
= 0.4255
∴ i.e, ≃ 42.58%
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Most Upvoted Answer
Determine the percentage of radiation emitted by the sun within the vi...
∴ fλ1➝λ2 = fλ2 - fλ1
Where fλ is black body radiation function for wavelength λ.
∴ f0.4-0.76 = f0.76 - f0.4
= 0.550015 - 0.124509
= 0.4255
∴ i.e, ≃ 42.58%
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Community Answer
Determine the percentage of radiation emitted by the sun within the vi...
∴ fλ1➝λ2 = fλ2 - fλ1
Where fλ is black body radiation function for wavelength λ.
∴ f0.4-0.76 = f0.76 - f0.4
= 0.550015 - 0.124509
= 0.4255
∴ i.e, ≃ 42.58%
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Determine the percentage of radiation emitted by the sun within the visible spectrum ( Wavelengths from 0.4 μm (violet) to 0.76 μm(red), considering the sun to be black body and its effective surface temperature to be 5800 K. Given black body radiation function for 2320μmk is 0.124509 and for 4408μmk is 0.550015 .a)42.5b)42.6c)42.7d)42.8Correct answer is option 'A'. Can you explain this answer?
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