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