 
			 
			MCQOPTIONS
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				| 1. | Which of the following is the correct expression for transition band f? | 
| A. | ( <sub>p</sub> <sub>s</sub>)/2 | 
| B. | ( <sub>p</sub>+ <sub>s</sub>)/2 | 
| C. | ( <sub>p</sub>. <sub>s</sub>)/2 | 
| D. | ( <sub>s</sub> <sub>p</sub>)/2 | 
| Answer» E. | |