Physics The mercury and sodium street lamps light up because of : Electron emission Electron absorption Atomic absorption Atomic emission Electron emission Electron absorption Atomic absorption Atomic emission ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these branches of Physics deal with heat and temperature and their relation to energy and work? Geophysics Thermodynamics Atomic Physics Mechanics Geophysics Thermodynamics Atomic Physics Mechanics ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its life enable it to withstand higher voltages increase its electrical conductivity increase its electrical resistivity increase its life enable it to withstand higher voltages increase its electrical conductivity increase its electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest frequency? Red Green Indigo Violet Red Green Indigo Violet ANSWER DOWNLOAD EXAMIANS APP
Physics Should cars have bumpers that collapse under impact? No, since the colliding car would then ram into the occupants and kill them Yes, since they help to absorb the impact of a collision and keep the occupants safe Yes, since the offending car should get damaged and pay for the mistake No, since it would be very expensive to get the car repaired No, since the colliding car would then ram into the occupants and kill them Yes, since they help to absorb the impact of a collision and keep the occupants safe Yes, since the offending car should get damaged and pay for the mistake No, since it would be very expensive to get the car repaired ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical Pressure is also called Resistance Power Voltage Current Resistance Power Voltage Current ANSWER DOWNLOAD EXAMIANS APP