 
			 
			MCQOPTIONS
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				| 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$ | 
| A. | Decreases | 
| B. | Increases | 
| C. | Become twice | 
| D. | Remains same | 
| Answer» B. Increases | |