MCQOPTIONS
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| 1. |
The law governing the distribution of radiant energy over wavelength for a black body at fixed temperature is referred to as |
| A. | Kirchhoff’s law |
| B. | Planck’s law |
| C. | Wein’s formula |
| D. | Lambert’s law |
| Answer» C. Wein‚Äö√Ñ√∂‚àö√ë‚àö¬•s formula | |