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electronics and communication engineering microwave communication
1. Atomic and molecular resonance is observed in many substances
(A): at both (b) and (c)
(B): at frequencies used in AM broadcast
(C): at low frequencies
(D): at microwave frequencies
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By: guest on 02 Jun 2017 01.05 am
Atomic and molecular distances are very small. Therefore resonance can occur only at microwave frequencies.
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