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