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