Physics Hertz is the SI unit of Power Pressure Weight Frequency Power Pressure Weight Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbows are produced when sunlight : Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction None of the given statements is correct. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction None of the given statements is correct. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Microwave Infrared Satellite Radio frequency Microwave Infrared Satellite Radio frequency ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.20902777777778 0.21111111111111 0.12777777777778 0.12638888888889 0.20902777777778 0.21111111111111 0.12777777777778 0.12638888888889 ANSWER DOWNLOAD EXAMIANS APP
Physics At low temperature, Lead behaves as a : Superconductor Semi conductor Insulator Conductor Superconductor Semi conductor Insulator Conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is lighter than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP