MCQOPTIONS
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MCQOPTIONS
| 1. |
Consider_a_beam_of_monochromatic_radiation_at_wavelength_λ_that_enters_a_layer_of_absorbing_gas._As_the_beam_passes_through_the_gas_layer,_its_intensity_is_given_by$# |
| A. | d I <sub>λ X </sub>= – K <sub>λ </sub>I <sub>λ X</sub> d x |
| B. | d I <sub>λ X </sub>= – 2 K <sub>λ </sub>I <sub>λ X</sub> d x |
| C. | d I <sub>λ X </sub>= – 3 K <sub>λ </sub>I <sub>λ X</sub> d x |
| D. | d I <sub>λ X </sub>= – 4 K <sub>λ </sub>I <sub>λ X</sub> d x |
| Answer» B. d I <sub>‚âà√≠¬¨‚Ñ¢ X </sub>= ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2 K <sub>‚âà√≠¬¨‚Ñ¢ </sub>I <sub>‚âà√≠¬¨‚Ñ¢ X</sub> d x | |