Physics Energy travels from Sun to Earth through Modulation Convection Radiation Conduction Modulation Convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 1.8 km, 0.15 km 2.2 km, 0.20 km 3.3 km, 0.30 km 2.8 km, 0.25 km 1.8 km, 0.15 km 2.2 km, 0.20 km 3.3 km, 0.30 km 2.8 km, 0.25 km ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of Astronomical Distance ? Metre/sec Sec Para/sec Parsec Metre/sec Sec Para/sec Parsec ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the fastest communication channel? All are operating at nearly the same propagation speed Microwave Optical fiber Radio wave All are operating at nearly the same propagation speed Microwave Optical fiber Radio wave ANSWER DOWNLOAD EXAMIANS APP
Physics The height of a geo-stationary satellite from the Earth's surface is approximately : None of these 30,000 km 42,000 km 36,000 km None of these 30,000 km 42,000 km 36,000 km ANSWER DOWNLOAD EXAMIANS APP
Physics The earth is a Bad absorber and bad radiator of heat Non-absorber of heat Good absorber and good radiator of heat Good reflector of heat Bad absorber and bad radiator of heat Non-absorber of heat Good absorber and good radiator of heat Good reflector of heat ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS