Let Ib be the spectral black body radiation intensity per unit wavelength about the wavelength .The blackbody radiation intensity emitted by a blackbody over all wavelengths isa)b)c)d)Correct answer is option 'C'. Can you explain this answer?

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Let I_bλbe the spectral black body radiation intensity per unit wavelength about the wavelength λ.

The blackbody radiation intensity emitted by a blackbody over all wavelengths is

Correct answer is option 'C'. Can you explain this answer?

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Let Ibλ be the spectral black body radiation intensity per unit wavelength about the wavelength λ.The blackbody radiation intensity emitted by a blackbody over all wavelengths isa)b)c)d)Correct answer is option 'C'. Can you explain this answer?

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