Physics The layer of atmosphere used for radio-wave transmission is Ionosphere Chromosphere Troposphere Stratosphere Ionosphere Chromosphere Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted 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 In a curved path ANSWER DOWNLOAD EXAMIANS APP
Physics The Capacity of a communication channel is measured in Band width Band rate Data flow Bit capacity Band width Band rate 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