MCQOPTIONS
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				| 1. | 
                                    Which of the following is the correct equation for the Prandtl-Glauert factor? | 
                            
| A. | = ( sqrt{1-M^2} ) | 
| B. | = ( sqrt{1-M} ) | 
| C. | = ( sqrt{M^2-1} ) | 
| D. | = ( sqrt{1+M^2} ) | 
| Answer» B. = ( sqrt{1-M} ) | |