Physics Ozone layer above the surface of Earth provides a shield against X-rays Ultra-violet rays Infra-red rays Gamma rays X-rays Ultra-violet rays Infra-red rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Conduction Reflection Radiation Convection Conduction Reflection Radiation Convection ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Meter Candela Kelvin Mole Meter Candela Kelvin Mole ANSWER DOWNLOAD EXAMIANS APP
Physics What is found in frequency modulation ? Change in dimension only Change in frequency and dimension Fixed dimension Fixed frequency Change in dimension only Change in frequency and dimension Fixed dimension Fixed frequency ANSWER DOWNLOAD EXAMIANS APP
Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 0.12847222222222 0.21041666666667 1.0479166666667 2.0958333333333 0.12847222222222 0.21041666666667 1.0479166666667 2.0958333333333 ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Choke' used with a tube light is basically A capacitor A resistor A transformer An inductor A capacitor A resistor A transformer An inductor ANSWER DOWNLOAD EXAMIANS APP