MCQOPTIONS
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MCQOPTIONS
| 1. |
Consider a beam of monochromatic radiation at wavelength that enters a layer of absorbing gas. As the beam passes through the gas layer, its intensity is given by |
| A. | d I <sub> X </sub>= K <sub> </sub>I <sub> X</sub> d x |
| B. | d I <sub> X </sub>= 2 K <sub> </sub>I <sub> X</sub> d x |
| C. | d I <sub> X </sub>= 3 K <sub> </sub>I <sub> X</sub> d x |
| D. | d I <sub> X </sub>= 4 K <sub> </sub>I <sub> X</sub> d x |
| Answer» B. d I <sub> X </sub>= 2 K <sub> </sub>I <sub> X</sub> d x | |