 
			 
			MCQOPTIONS
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				| 1. | Which of the following represents IR wavelength? | 
| A. | 100 nm to 700 nm | 
| B. | 700 nm to 2500 nm | 
| C. | 2500 nm to 5000 nm | 
| D. | Greater than 2500 nm | 
| Answer» C. 2500 nm to 5000 nm | |