Question: Start with Eq. (13.4) and show that its equivalent to where λ is in meters, T is in kelvins, and the wavelength interval Îλ should

Start with Eq. (13.4) and show that it€™s equivalent to

1 2ahc? (13.4) hc 1 eлkвT

where λ is in meters, T is in kelvins, and the wavelength interval Δλ should be in nanometers. Then Iλ is the number of joules per second, per meter-squared, per nanometer.

1 2ahc? (13.4) hc 1 ekT

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