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