Physics Kilowatt-hour is the unit of : Power Energy Momentum Force Power Energy Momentum Force ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Silver Silver nitrate Red oxide Mercury Silver Silver nitrate Red oxide Mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is lighter than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is lighter than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Coolis tube is used to produce Radio waves Gama rays X-rays Micro waves Radio waves Gama rays X-rays Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Radar Altimeter Venturimeter Sonar Radar Altimeter Venturimeter Sonar ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become C/7 C 7C 14C C/7 C 7C 14C ANSWER DOWNLOAD EXAMIANS APP