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