Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron ANSWER DOWNLOAD EXAMIANS APP
Physics The increasing order of the refractive index of certain materials is (left to right) ________ Rock Salt, Ice, Benzene, Kerosene Ice, Kerosene, Benzene, Rock Salt Kerosene, Ice, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice Rock Salt, Ice, Benzene, Kerosene Ice, Kerosene, Benzene, Rock Salt Kerosene, Ice, Benzene, Rock Salt Rocksalt, Benzene, Kerosene, Ice ANSWER DOWNLOAD EXAMIANS APP
Physics The colours of stars depend on their Distance Temperature Atmospheric pressure Radius Distance Temperature Atmospheric pressure Radius ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is Zero Less than one One More than one Zero Less than one One More than one ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Micron is equal to 10–15 m 10–9 m 10–12 m 10–6 m 10–15 m 10–9 m 10–12 m 10–6 m ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A lever A pair of scissors The pulley A ramp A lever A pair of scissors The pulley A ramp ANSWER DOWNLOAD EXAMIANS APP