Physics The layer of atmosphere used for radio-wave transmission is Troposphere Chromosphere Stratosphere Ionosphere Troposphere Chromosphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted Due to refraction In a straight line path Due to total internal reflection In a curved path Due to refraction In a straight line path Due to total internal reflection In a curved path ANSWER DOWNLOAD EXAMIANS APP
Physics The Capacity of a communication channel is measured in Data flow Bit capacity Band rate Band width Data flow Bit capacity Band rate Band width ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency used in TV and radar system lies in UHF VHF SHF HF UHF VHF SHF HF ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Radio waves Frequency of 1016 series Micro waves M. Radio waves Frequency of 1016 series Micro waves M. ANSWER DOWNLOAD EXAMIANS APP
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