Physics When a detergent is added to pure water, its surface tension Remains constant Becomes infinite Increases Decreases Remains constant Becomes infinite Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : Ro decrease the voltage momentarily To increase the current flow To decrease the resistance To decrease the current flow Ro decrease the voltage momentarily To increase the current flow To decrease the resistance To decrease the current flow ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Plastics have a lower density than metals Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Plastics have a lower density than metals Metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Air always falls down Warm air falls down Cool air is replaced by warm air Cool air falls down Air always falls down Warm air falls down Cool air is replaced by warm air Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics When an atom loses an electron it becomes Neutron Negative ion Positive ion None of these Neutron Negative ion Positive ion None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Alcohol is more volatile than water because ________ is lower than water. Its surface tension Its density Its boiling point Its viscosity Its surface tension Its density Its boiling point Its viscosity ANSWER DOWNLOAD EXAMIANS APP
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