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1. |
Why is an ammonia maser not useful in communication?(1) Because it has low power(2) Because itsfrequency is not convenient(3) Because the frequency is not stable(4) Because it is not continuous |
Answer» <p style="text-align: justify;"><span style="color:#000000"><span style="font-family:Arial,Helvetica,sans-serif">The Correct option is (2) Because itsfrequency is not convenient</span></span></p> | |