MCQOPTIONS
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MCQOPTIONS
| 1. |
For wave propagation of a \[10\text{ }MHz\] signal, what should be the maximum electron density in ionosphere |
| A. | \[\tilde{\ }1.2\times {{10}^{12}}{{m}^{-3}}\] |
| B. | \[\tilde{\ }{{10}^{6}}{{m}^{-3}}\] |
| C. | \[\tilde{\ }{{10}^{14}}{{m}^{-3}}\] |
| D. | \[\tilde{\ }{{10}^{22}}{{m}^{-3}}\] |
| Answer» B. \[\tilde{\ }{{10}^{6}}{{m}^{-3}}\] | |