Physics The layer of atmosphere used for radio-wave transmission is Ionosphere Chromosphere Stratosphere Troposphere Ionosphere Chromosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted 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 Due to total internal reflection 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 UHF VHF HF SHF UHF VHF HF SHF ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Micro waves Frequency of 1016 series M. Radio waves Micro waves Frequency of 1016 series M. Radio waves ANSWER DOWNLOAD EXAMIANS APP