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