MCQOPTIONS
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				| 1. | 
                                    At a particular time it is observed that the frequencies of F layer at Delhi is 3 MHz the maximum electron density is | 
                            
| A. | 11 x 1010 | 
| B. | 1.1 x 1010 | 
| C. | 0.11 x 1010 | 
| D. | 11 x 1012 | 
| Answer» B. 1.1 x 1010 | |